diff --git a/classlib/src/main/java/org/teavm/classlib/java/lang/TDouble.java b/classlib/src/main/java/org/teavm/classlib/java/lang/TDouble.java
index d7ea47e69..0af2d7b82 100644
--- a/classlib/src/main/java/org/teavm/classlib/java/lang/TDouble.java
+++ b/classlib/src/main/java/org/teavm/classlib/java/lang/TDouble.java
@@ -222,7 +222,7 @@ public class TDouble extends TNumber implements TComparable<TDouble> {
     @JSBody(params = "v", script = "return isNaN(v);")
     public static native boolean isNaN(double v);
 
-    @JSBody(params = {}, script = "return NaN;")
+    @JSBody(script = "return NaN;")
     private static native double getNaN();
 
     @JSBody(params = "v", script = "return !isFinite(v);")
diff --git a/classlib/src/main/java/org/teavm/classlib/java/lang/TFloat.java b/classlib/src/main/java/org/teavm/classlib/java/lang/TFloat.java
index fdbd77f58..219407578 100644
--- a/classlib/src/main/java/org/teavm/classlib/java/lang/TFloat.java
+++ b/classlib/src/main/java/org/teavm/classlib/java/lang/TFloat.java
@@ -101,7 +101,7 @@ public class TFloat extends TNumber implements TComparable<TFloat> {
     @Import(module = "runtime", name = "isFinite")
     private static native boolean isFinite(float v);
 
-    @JSBody(params = {}, script = "return NaN;")
+    @JSBody(script = "return NaN;")
     @Import(module = "runtime", name = "getNaN")
     private static native float getNaN();
 
diff --git a/classlib/src/main/java/org/teavm/classlib/java/util/TRandom.java b/classlib/src/main/java/org/teavm/classlib/java/util/TRandom.java
index 0c1c56742..411f76944 100644
--- a/classlib/src/main/java/org/teavm/classlib/java/util/TRandom.java
+++ b/classlib/src/main/java/org/teavm/classlib/java/util/TRandom.java
@@ -68,6 +68,6 @@ public class TRandom extends TObject implements TSerializable {
         return random();
     }
 
-    @JSBody(params = {}, script = "return Math.random();")
+    @JSBody(script = "return Math.random();")
     private static native double random();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/ajax/XMLHttpRequest.java b/jso/apis/src/main/java/org/teavm/jso/ajax/XMLHttpRequest.java
index b18b81caa..fceb39d5f 100644
--- a/jso/apis/src/main/java/org/teavm/jso/ajax/XMLHttpRequest.java
+++ b/jso/apis/src/main/java/org/teavm/jso/ajax/XMLHttpRequest.java
@@ -90,6 +90,6 @@ public abstract class XMLHttpRequest implements JSObject {
     @JSProperty
     public abstract String getResponseType();
 
-    @JSBody(params = {}, script = "return new XMLHttpRequest();")
+    @JSBody(script = "return new XMLHttpRequest();")
     public static native XMLHttpRequest create();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/browser/Navigator.java b/jso/apis/src/main/java/org/teavm/jso/browser/Navigator.java
index 5bc5eb91e..0d5a381f9 100644
--- a/jso/apis/src/main/java/org/teavm/jso/browser/Navigator.java
+++ b/jso/apis/src/main/java/org/teavm/jso/browser/Navigator.java
@@ -17,14 +17,10 @@ package org.teavm.jso.browser;
 
 import org.teavm.jso.JSBody;
 
-/**
- *
- * @author Alexey Andreev
- */
 public final class Navigator {
     private Navigator() {
     }
 
-    @JSBody(params = "", script = "return window.navigator.onLine;")
+    @JSBody(script = "return window.navigator.onLine;")
     public static native boolean isOnline();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/browser/Performance.java b/jso/apis/src/main/java/org/teavm/jso/browser/Performance.java
index 0e503b69d..fd98beb09 100644
--- a/jso/apis/src/main/java/org/teavm/jso/browser/Performance.java
+++ b/jso/apis/src/main/java/org/teavm/jso/browser/Performance.java
@@ -22,9 +22,9 @@ public final class Performance implements JSObject {
     private Performance() {
     }
 
-    @JSBody(params = {}, script = "return window.performance.now();")
+    @JSBody(script = "return window.performance.now();")
     public static native double now();
 
-    @JSBody(params = {}, script = "return typeof(window.performance) !== 'undefined';")
+    @JSBody(script = "return typeof(window.performance) !== 'undefined';")
     public static native boolean isSupported();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/browser/Window.java b/jso/apis/src/main/java/org/teavm/jso/browser/Window.java
index b5ec08652..2dd75b739 100644
--- a/jso/apis/src/main/java/org/teavm/jso/browser/Window.java
+++ b/jso/apis/src/main/java/org/teavm/jso/browser/Window.java
@@ -24,10 +24,6 @@ import org.teavm.jso.dom.html.HTMLDocument;
 import org.teavm.jso.dom.html.HTMLElement;
 import org.teavm.jso.dom.html.HTMLIFrameElement;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Window implements JSObject, WindowEventTarget, StorageProvider, JSArrayReader<HTMLIFrameElement> {
     private Window() {
     }
@@ -161,7 +157,7 @@ public abstract class Window implements JSObject, WindowEventTarget, StorageProv
         postMessage(message, targetOrigin, JSArray.of(transfer));
     }
 
-    @JSBody(params = {}, script = "return window;")
+    @JSBody(script = "return window;")
     public static native Window current();
 
     @JSBody(params = "uri", script = "return encodeURI(uri);")
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSArray.java b/jso/apis/src/main/java/org/teavm/jso/core/JSArray.java
index 261105093..495a02dea 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSArray.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSArray.java
@@ -19,11 +19,6 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 import org.teavm.jso.JSObject;
 
-/**
- *
- * @author Alexey Andreev
- * @param <T>
- */
 public abstract class JSArray<T extends JSObject> implements JSArrayReader<T> {
     private JSArray() {
     }
@@ -83,7 +78,7 @@ public abstract class JSArray<T extends JSObject> implements JSArrayReader<T> {
 
     public abstract JSArray<T> splice(int start, int count, T a, T b, T c, T d);
 
-    @JSBody(params = {}, script = "return new Array();")
+    @JSBody(script = "return new Array();")
     public static native <T extends JSObject> JSArray<T> create();
 
     @JSBody(params = "size", script = "return new Array(size);")
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSDate.java b/jso/apis/src/main/java/org/teavm/jso/core/JSDate.java
index 039f495ec..e9afd6fb4 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSDate.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSDate.java
@@ -19,12 +19,8 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class JSDate implements JSObject {
-    @JSBody(params = {}, script = "return new Date();")
+    @JSBody(script = "return new Date();")
     public static native JSDate create();
 
     @JSBody(params = "millis", script = "return new Date(millis);")
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSFunction.java b/jso/apis/src/main/java/org/teavm/jso/core/JSFunction.java
index 00b7f1cda..9a5df7a23 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSFunction.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSFunction.java
@@ -15,13 +15,10 @@
  */
 package org.teavm.jso.core;
 
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
-/**
- *
- * @author Alexey Andreev
- */
 public interface JSFunction extends JSObject {
     @JSProperty
     int getLength();
@@ -50,5 +47,5 @@ public interface JSFunction extends JSObject {
     JSObject call(JSObject thisArg, JSObject a, JSObject b, JSObject c, JSObject d, JSObject e, JSObject f,
             JSObject g, JSObject h);
 
-    JSObject apply(JSObject thisArg, JSObject[] arguments);
+    JSObject apply(JSObject thisArg, @JSByRef JSObject[] arguments);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSNumber.java b/jso/apis/src/main/java/org/teavm/jso/core/JSNumber.java
index faeee26d6..52257a8e6 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSNumber.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSNumber.java
@@ -18,10 +18,6 @@ package org.teavm.jso.core;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class JSNumber implements JSObject {
     private JSNumber() {
     }
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSRegExp.java b/jso/apis/src/main/java/org/teavm/jso/core/JSRegExp.java
index d30a7a88a..d60dd4da0 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSRegExp.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSRegExp.java
@@ -19,10 +19,6 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class JSRegExp implements JSObject {
     @JSBody(params = "pattern", script = "return new RegExp(pattern);")
     public static native JSRegExp create(String pattern);
diff --git a/jso/apis/src/main/java/org/teavm/jso/core/JSString.java b/jso/apis/src/main/java/org/teavm/jso/core/JSString.java
index bca4ee593..9c7752064 100644
--- a/jso/apis/src/main/java/org/teavm/jso/core/JSString.java
+++ b/jso/apis/src/main/java/org/teavm/jso/core/JSString.java
@@ -19,10 +19,6 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class JSString implements JSObject {
     private JSString() {
     }
diff --git a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLCanvasElement.java b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLCanvasElement.java
index afb94da23..a4f51aeae 100644
--- a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLCanvasElement.java
+++ b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLCanvasElement.java
@@ -15,15 +15,10 @@
  */
 package org.teavm.jso.dom.html;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.canvas.CanvasImageSource;
 
-/**
- *
- * @author Alexey Andreev
- */
 public interface HTMLCanvasElement extends HTMLElement, CanvasImageSource {
     @JSProperty
     int getWidth();
@@ -41,6 +36,5 @@ public interface HTMLCanvasElement extends HTMLElement, CanvasImageSource {
 
     JSObject getContext(String contextId, JSObject attributes);
 
-    @JSMethod
     String toDataURL(String type);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBFactory.java b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBFactory.java
index 5bf01b9f3..d02056fbc 100644
--- a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBFactory.java
+++ b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBFactory.java
@@ -18,16 +18,12 @@ package org.teavm.jso.indexeddb;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class IDBFactory implements JSObject {
     public static boolean isSupported() {
         return !getInstanceImpl().isUndefined();
     }
 
-    @JSBody(params = {}, script = "return typeof this === 'undefined';")
+    @JSBody(script = "return typeof this === 'undefined';")
     private native boolean isUndefined();
 
     public static IDBFactory getInstance() {
@@ -38,7 +34,7 @@ public abstract class IDBFactory implements JSObject {
         return factory;
     }
 
-    @JSBody(params = {}, script = "return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || "
+    @JSBody(script = "return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || "
             + "window.msIndexedDB;")
     static native IDBFactory getInstanceImpl();
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBIndex.java b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBIndex.java
index d777abd39..329886b86 100644
--- a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBIndex.java
+++ b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBIndex.java
@@ -40,7 +40,7 @@ public abstract class IDBIndex implements JSObject, IDBCursorSource {
         }
     }
 
-    @JSBody(params = {}, script = "return this;")
+    @JSBody(script = "return this;")
     private native String[] unwrapStringArray(JSObject obj);
 
     @JSProperty
diff --git a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBKeyRange.java b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBKeyRange.java
index 9c94bc043..1b6742378 100644
--- a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBKeyRange.java
+++ b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBKeyRange.java
@@ -19,10 +19,6 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class IDBKeyRange implements JSObject {
     @JSProperty
     public abstract JSObject getLower();
diff --git a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStore.java b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStore.java
index 982df66cc..167189b34 100644
--- a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStore.java
+++ b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStore.java
@@ -20,10 +20,6 @@ import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.core.JSString;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class IDBObjectStore implements JSObject, IDBCursorSource {
     @JSProperty
     public abstract String getName();
@@ -40,7 +36,7 @@ public abstract class IDBObjectStore implements JSObject, IDBCursorSource {
         }
     }
 
-    @JSBody(params = {}, script = "return this;")
+    @JSBody(script = "return this;")
     private native String[] unwrapStringArray(JSObject obj);
 
     @JSProperty
diff --git a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStoreParameters.java b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStoreParameters.java
index fe6fc42eb..07714997d 100644
--- a/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStoreParameters.java
+++ b/jso/apis/src/main/java/org/teavm/jso/indexeddb/IDBObjectStoreParameters.java
@@ -19,12 +19,8 @@ import org.teavm.jso.JSBody;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class IDBObjectStoreParameters implements JSObject {
-    @JSBody(params = {}, script = "return {};")
+    @JSBody(script = "return {};")
     public static native IDBObjectStoreParameters create();
 
     public final IDBObjectStoreParameters keyPath(String... keys) {
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/DataView.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/DataView.java
index b2d6cbdbd..a87524b92 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/DataView.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/DataView.java
@@ -16,91 +16,62 @@
 package org.teavm.jso.typedarrays;
 
 import org.teavm.jso.JSBody;
-import org.teavm.jso.JSMethod;
 
 public abstract class DataView extends ArrayBufferView {
-    @JSMethod
     public abstract byte getInt8(int byteOffset);
 
-    @JSMethod
     public abstract short getUInt8(int byteOffset);
 
-    @JSMethod
     public abstract short getInt16(int byteOffset);
 
-    @JSMethod
     public abstract short getInt16(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract int getUInt16(int byteOffset);
 
-    @JSMethod
     public abstract int getUInt16(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract int getInt32(int byteOffset);
 
-    @JSMethod
     public abstract int getInt32(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract int getUInt32(int byteOffset);
 
-    @JSMethod
     public abstract int getUInt32(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract float getFloat32(int byteOffset);
 
-    @JSMethod
     public abstract float getFloat32(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract double getFloat64(int byteOffset);
 
-    @JSMethod
     public abstract double getFloat64(int byteOffset, boolean littleEndian);
 
-    @JSMethod
     public abstract void setInt8(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setUInt8(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setInt16(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setInt16(int byteOffset, int value, boolean littleEndian);
 
-    @JSMethod
     public abstract void setUInt16(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setUInt16(int byteOffset, int value, boolean littleEndian);
 
-    @JSMethod
     public abstract void setInt32(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setInt32(int byteOffset, int value, boolean littleEndian);
 
-    @JSMethod
     public abstract void setUInt32(int byteOffset, int value);
 
-    @JSMethod
     public abstract void setUInt32(int byteOffset, int value, boolean littleEndian);
 
-    @JSMethod
     public abstract void setFloat32(int byteOffset, float value);
 
-    @JSMethod
     public abstract void setFloat32(int byteOffset, float value, boolean littleEndian);
 
-    @JSMethod
     public abstract void setFloat64(int byteOffset, double value);
 
-    @JSMethod
     public abstract void setFloat64(int byteOffset, double value, boolean littleEndian);
 
     @JSBody(params = "buffer", script = "return new DataView(buffer);")
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float32Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float32Array.java
index 6199ebe8d..bd8ab94e1 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float32Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float32Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Float32Array extends ArrayBufferView {
     @JSIndexer
     public abstract float get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float64Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float64Array.java
index 833ed1f80..9d55f32ab 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float64Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Float64Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Float64Array extends ArrayBufferView {
     @JSIndexer
     public abstract double get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int16Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int16Array.java
index 8a8d88c0f..03c9e134c 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int16Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int16Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Int16Array extends ArrayBufferView {
     @JSIndexer
     public abstract short get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int32Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int32Array.java
index bf6f53e0a..8b98f03d8 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int32Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int32Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Int32Array extends ArrayBufferView {
     @JSIndexer
     public abstract int get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int8Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int8Array.java
index 363acac0d..dae9f06fe 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int8Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Int8Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Int8Array extends ArrayBufferView {
     @JSIndexer
     public abstract byte get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint16Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint16Array.java
index 751c86359..9680b83cc 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint16Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint16Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Uint16Array extends ArrayBufferView {
     @JSIndexer
     public abstract int get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8Array.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8Array.java
index efdb0658d..89d851ab7 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8Array.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8Array.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Uint8Array extends ArrayBufferView {
     @JSIndexer
     public abstract short get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8ClampedArray.java b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8ClampedArray.java
index 26aac42a5..ab072d0db 100644
--- a/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8ClampedArray.java
+++ b/jso/apis/src/main/java/org/teavm/jso/typedarrays/Uint8ClampedArray.java
@@ -18,10 +18,6 @@ package org.teavm.jso.typedarrays;
 import org.teavm.jso.JSBody;
 import org.teavm.jso.JSIndexer;
 
-/**
- *
- * @author Alexey Andreev
- */
 public abstract class Uint8ClampedArray extends ArrayBufferView {
     @JSIndexer
     public abstract short get(int index);
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AnalyserNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AnalyserNode.java
index d4be152f5..712fd9a80 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AnalyserNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AnalyserNode.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.typedarrays.Float32Array;
 import org.teavm.jso.typedarrays.Uint8Array;
@@ -48,16 +48,16 @@ public interface AnalyserNode extends AudioNode {
     @JSProperty
     float getSmoothingTimeConstant();
 
-    @JSMethod
     void getFloatFrequencyData(Float32Array array);
 
-    @JSMethod
+    void getFloatFrequencyData(@JSByRef float[] array);
+
     void getByteFrequencyData(Uint8Array array);
 
-    @JSMethod
     void getFloatTimeDomainData(Float32Array array);
 
-    @JSMethod
+    void getFloatTimeDomainData(@JSByRef float[] array);
+
     void getByteTimeDomainData(Uint8Array array);
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBuffer.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBuffer.java
index 5ec06b463..00a69a12a 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBuffer.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBuffer.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.typedarrays.Float32Array;
@@ -33,18 +33,21 @@ public interface AudioBuffer extends JSObject {
     @JSProperty
     int getNumberOfChannels();
 
-    @JSMethod
     Float32Array getChannelData(int channel);
 
-    @JSMethod
     void copyFromChannel(Float32Array destination, int channelNumber);
 
-    @JSMethod
+    void copyFromChannel(@JSByRef float[] destination, int channelNumber);
+
     void copyFromChannel(Float32Array destination, int channelNumber, int startInChannel);
 
-    @JSMethod
+    void copyFromChannel(@JSByRef float[] destination, int channelNumber, int startInChannel);
+
     void copyToChannel(Float32Array source, int channelNumber);
 
-    @JSMethod
+    void copyToChannel(@JSByRef float[] source, int channelNumber);
+
     void copyToChannel(Float32Array source, int channelNumber, int startInChannel);
+
+    void copyToChannel(@JSByRef float[] source, int channelNumber, int startInChannel);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBufferSourceNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBufferSourceNode.java
index 738e88fc7..2ef914e7d 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBufferSourceNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioBufferSourceNode.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
 
@@ -56,22 +55,16 @@ public interface AudioBufferSourceNode extends AudioNode {
     @JSProperty("onended")
     EventListener<MediaEvent> getOnEnded();
 
-    @JSMethod
     void start(double when, double offset, double duration);
 
-    @JSMethod
     void start(double when, double offset);
 
-    @JSMethod
     void start(double when);
 
-    @JSMethod
     void start();
 
-    @JSMethod
     void stop(double when);
 
-    @JSMethod
     void stop();
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioContext.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioContext.java
index 9b1a32eb7..50718756b 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioContext.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioContext.java
@@ -16,7 +16,7 @@
 package org.teavm.jso.webaudio;
 
 import org.teavm.jso.JSBody;
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
@@ -50,112 +50,82 @@ public abstract class AudioContext implements JSObject {
     @JSProperty("onstatechange")
     public abstract EventListener<MediaEvent> getOnStateChange();
 
-    @JSMethod
     public abstract void suspend();
 
-    @JSMethod
     public abstract void resume();
 
-    @JSMethod
     public abstract void close();
 
-    @JSMethod
     public abstract AudioBuffer createBuffer(int numberOfChannels, int length, float sampleRate);
 
-    @JSMethod
     public abstract AudioBuffer decodeAudioData(ArrayBuffer audioData, DecodeSuccessCallback successCallback,
             DecodeErrorCallback errorCallback);
 
-    @JSMethod
     public abstract AudioBuffer decodeAudioData(ArrayBuffer audioData, DecodeSuccessCallback successCallback);
 
-    @JSMethod
     public abstract AudioBuffer decodeAudioData(ArrayBuffer audioData);
 
-    @JSMethod
     public abstract AudioBufferSourceNode createBufferSource();
 
-    @JSMethod
     public abstract MediaElementAudioSourceNode createMediaElementSource(HTMLMediaElement mediaElement);
 
-    @JSMethod
     public abstract MediaStreamAudioSourceNode createMediaStreamSource(MediaStream mediaStream);
 
-    @JSMethod
     public abstract MediaStreamAudioDestinationNode createMediaStreamDestination();
 
-    @JSMethod
     public abstract AudioWorker createAudioWorker();
 
-    @JSMethod
     public abstract ScriptProcessorNode createScriptProcessor(int bufferSize, int numberOfInputChannels,
             int numberOfOutputChannels);
 
-    @JSMethod
     public abstract ScriptProcessorNode createScriptProcessor(int bufferSize, int numberOfInputChannels);
 
-    @JSMethod
     public abstract ScriptProcessorNode createScriptProcessor(int bufferSize);
 
-    @JSMethod
     public abstract ScriptProcessorNode createScriptProcessor();
 
-    @JSMethod
     public abstract AnalyserNode createAnalyser();
 
-    @JSMethod
     public abstract GainNode createGain();
 
-    @JSMethod
     public abstract DelayNode createDelay(double maxDelayTime);
 
-    @JSMethod
     public abstract DelayNode createDelay();
 
-    @JSMethod
     public abstract BiquadFilterNode createBiquadFilter();
 
-    @JSMethod
     public abstract IIRFilterNode createIIRFilter(Float32Array feedforward, Float32Array feedback);
 
-    @JSMethod
     public abstract WaveShaperNode createWaveShaper();
 
-    @JSMethod
     public abstract PannerNode createPanner();
 
-    @JSMethod
     public abstract StereoPannerNode createStereoPanner();
 
-    @JSMethod
     public abstract ConvolverNode createConvolver();
 
-    @JSMethod
     public abstract ChannelSplitterNode createChannelSplitter(int numberOfOutputs);
 
-    @JSMethod
     public abstract ChannelSplitterNode createChannelSplitter();
 
-    @JSMethod
     public abstract ChannelMergerNode createChannelMerger(int numberOfInputs);
 
-    @JSMethod
     public abstract ChannelMergerNode createChannelMerger();
 
-    @JSMethod
     public abstract DynamicsCompressorNode createDynamicsCompressor();
 
-    @JSMethod
     public abstract OscillatorNode createOscillator();
 
-    @JSMethod
     public abstract PeriodicWave createPeriodicWave(Float32Array real, Float32Array image,
             PeriodicWaveConstraints constraints);
 
-    @JSMethod
+    public abstract PeriodicWave createPeriodicWave(@JSByRef float[] real, @JSByRef float[] image,
+            PeriodicWaveConstraints constraints);
+
     public abstract PeriodicWave createPeriodicWave(Float32Array real, Float32Array image);
 
-    @JSBody(params = {},
-            script = "var Context = window.AudioContext || window.webkitAudioContext; return new Context();")
+    public abstract PeriodicWave createPeriodicWave(@JSByRef float[] real, @JSByRef float[] image);
+
+    @JSBody(script = "var Context = window.AudioContext || window.webkitAudioContext; return new Context();")
     public static native AudioContext create();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioListener.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioListener.java
index 681fc4b03..73f08c864 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioListener.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioListener.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
@@ -32,13 +31,10 @@ public interface AudioListener extends JSObject {
     @JSProperty
     float getSpeedOfSound();
 
-    @JSMethod
     void setPosition(float x, float y, float z);
 
-    @JSMethod
     void setOrientation(float x, float y, float z, float xUp, float yUp, float zUp);
 
-    @JSMethod
     void setVelocity(float x, float y, float z);
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioNode.java
index 1aa9e48fc..b7ed28ff7 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioNode.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 
@@ -27,40 +26,28 @@ public interface AudioNode extends JSObject {
     String CHANNEL_INTERPRETATION_SPEAKERS = "speakers";
     String CHANNEL_INTERPRETATION_DISCRETE = "discrete";
 
-    @JSMethod
     void connect(AudioNode destination, int output, int input);
 
-    @JSMethod
     void connect(AudioNode destination, int output);
 
-    @JSMethod
     void connect(AudioNode destination);
 
-    @JSMethod
     void connect(AudioParam destination, int output);
 
-    @JSMethod
     void connect(AudioParam destination);
 
-    @JSMethod
     void disconnect();
 
-    @JSMethod
     void disconnect(int output);
 
-    @JSMethod
     void disconnect(AudioNode destination);
 
-    @JSMethod
     void disconnect(AudioNode destination, int output);
 
-    @JSMethod
     void disconnect(AudioNode destination, int output, int input);
 
-    @JSMethod
     void disconnect(AudioParam destination);
 
-    @JSMethod
     void disconnect(AudioParam destination, int output);
 
     @JSProperty
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioParam.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioParam.java
index 439d1ccd5..30f0786e0 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioParam.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioParam.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.typedarrays.Float32Array;
@@ -30,21 +30,17 @@ public interface AudioParam extends JSObject {
     @JSProperty
     float getDefaultValue();
 
-    @JSMethod
     void setValueAtTime(float value, double startTime);
 
-    @JSMethod
     void linearRampToValueAtTime(float value, double endTime);
 
-    @JSMethod
     void exponentialRampToValueAtTime(float value, double endTime);
 
-    @JSMethod
     void setTargetAtTime(float target, double startTime, float timeConstant);
 
-    @JSMethod
     void setValueCurveAtTime(Float32Array values, double startTime, double duration);
 
-    @JSMethod
+    void setValueCurveAtTime(@JSByRef float[] values, double startTime, double duration);
+
     void cancelScheduledValues(double startTime);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorker.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorker.java
index 9870042a1..d0c56b83c 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorker.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorker.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
@@ -36,24 +36,17 @@ public interface AudioWorker extends JSObject {
     @JSProperty(value = "onloaded")
     EventListener<MediaEvent> getOnLoaded();
 
-    @JSMethod
     void terminate();
 
-    @JSMethod
-    void postMessage(JSObject message, JSObject[] transfer);
+    void postMessage(JSObject message, @JSByRef JSObject[] transfer);
 
-    @JSMethod
     void postMessage(JSObject message, JSObject transfer);
 
-    @JSMethod
     void postMessage(JSObject message);
 
-    @JSMethod
     AudioWorkerNode createNode(int numberOfInputs, int numberOfOutputs);
 
-    @JSMethod
     AudioParam addParameter(String name, float defaultValue);
 
-    @JSMethod
     void removeParameter(String name);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerGlobalScope.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerGlobalScope.java
index 09d669517..bf1dc1478 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerGlobalScope.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerGlobalScope.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
@@ -39,9 +38,7 @@ public interface AudioWorkerGlobalScope extends JSObject {
     @JSProperty
     AudioWorkerParamDescriptor[] getParameters();
 
-    @JSMethod
     AudioParam addParameter(String name, float defaultValue);
 
-    @JSMethod
     void removeParameter(String name);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNode.java
index 0362ab5d3..171321274 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNode.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
@@ -27,13 +27,10 @@ public interface AudioWorkerNode extends AudioNode {
     @JSProperty("onmessage")
     EventListener<MediaEvent> getOnMessage();
 
-    @JSMethod
-    void postMessage(JSObject message, JSObject[] transfer);
+    void postMessage(JSObject message, @JSByRef JSObject[] transfer);
 
-    @JSMethod
     void postMessage(JSObject message, JSObject transfer);
 
-    @JSMethod
     void postMessage(JSObject message);
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNodeProcessor.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNodeProcessor.java
index f7ba0880a..b06935ca7 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNodeProcessor.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/AudioWorkerNodeProcessor.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
@@ -28,13 +27,10 @@ public interface AudioWorkerNodeProcessor extends EventTarget {
     @JSProperty("onmessage")
     EventListener<MediaEvent> getOnMessage();
 
-    @JSMethod
     void postMessage(JSObject message, JSObject[] transfer);
 
-    @JSMethod
     void postMessage(JSObject message, JSObject transfer);
 
-    @JSMethod
     void postMessage(JSObject message);
 
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/BiquadFilterNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/BiquadFilterNode.java
index 2c3aacb6d..2abfdfd2c 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/BiquadFilterNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/BiquadFilterNode.java
@@ -15,7 +15,7 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.typedarrays.Float32Array;
 
@@ -47,6 +47,8 @@ public interface BiquadFilterNode extends AudioNode {
     @JSProperty
     AudioParam getGain();
 
-    @JSMethod
     void getFrequencyResponse(Float32Array frequencyHz, Float32Array magResponse, Float32Array phaseResponse);
+
+    void getFrequencyResponse(@JSByRef float[] frequencyHz, @JSByRef float[] magResponse,
+            @JSByRef float[] phaseResponse);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeErrorCallback.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeErrorCallback.java
index 6ba606ecb..ad8296de6 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeErrorCallback.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeErrorCallback.java
@@ -16,11 +16,9 @@
 package org.teavm.jso.webaudio;
 
 import org.teavm.jso.JSFunctor;
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 
 @JSFunctor
 public interface DecodeErrorCallback extends JSObject {
-    @JSMethod
     void onError(JSObject error);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeSuccessCallback.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeSuccessCallback.java
index 9db57057b..a598e5a74 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeSuccessCallback.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/DecodeSuccessCallback.java
@@ -16,11 +16,9 @@
 package org.teavm.jso.webaudio;
 
 import org.teavm.jso.JSFunctor;
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 
 @JSFunctor
 public interface DecodeSuccessCallback extends JSObject {
-    @JSMethod
     void onSuccess(AudioBuffer decodedData);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/IIRFilterNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/IIRFilterNode.java
index eb74c8886..c4086d9d4 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/IIRFilterNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/IIRFilterNode.java
@@ -15,11 +15,13 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.typedarrays.Float32Array;
 
 public interface IIRFilterNode extends AudioNode {
-    @JSMethod
     void getFrequencyResponse(Float32Array frequencyHz, Float32Array magResponse, Float32Array phaseResponse);
+
+    void getFrequencyResponse(@JSByRef float[] frequencyHz, @JSByRef float[] magResponse,
+            @JSByRef float[] phaseResponse);
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/OfflineAudioContext.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/OfflineAudioContext.java
index 858c4d68b..f81d634a2 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/OfflineAudioContext.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/OfflineAudioContext.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
 
@@ -26,12 +25,10 @@ public abstract class OfflineAudioContext extends AudioContext {
     @JSProperty("oncomplete")
     public abstract EventListener<OfflineAudioCompletionEvent> getOnComplete();
 
-    @JSMethod
     public abstract AudioBuffer startRendering();
 
-    @JSMethod
+    @Override
     public abstract void resume();
 
-    @JSMethod
     public abstract void suspend(double suspendTime);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/OscillatorNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/OscillatorNode.java
index c45259946..849a0b8f7 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/OscillatorNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/OscillatorNode.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.dom.events.EventListener;
 
@@ -44,18 +43,13 @@ public interface OscillatorNode extends AudioNode {
     @JSProperty("onended")
     EventListener<MediaEvent> getOnEnded();
 
-    @JSMethod
     void start(double when);
 
-    @JSMethod
     void start();
 
-    @JSMethod
     void stop(double when);
 
-    @JSMethod
     void stop();
 
-    @JSMethod
     void setPeriodicWave(PeriodicWave periodicWave);
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webaudio/PannerNode.java b/jso/apis/src/main/java/org/teavm/jso/webaudio/PannerNode.java
index d61d1f544..8c35fc8b4 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webaudio/PannerNode.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webaudio/PannerNode.java
@@ -15,7 +15,6 @@
  */
 package org.teavm.jso.webaudio;
 
-import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSProperty;
 
 public interface PannerNode extends AudioNode {
@@ -74,13 +73,10 @@ public interface PannerNode extends AudioNode {
     @JSProperty
     float getConeOuterGain();
 
-    @JSMethod
     void setPosition(float x, float y, float z);
 
-    @JSMethod
     void setOrientation(float x, float y, float z);
 
-    @JSMethod
     void setVelocity(float x, float y, float z);
 }
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLContextAttributes.java b/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLContextAttributes.java
index f64748a7f..6517f9f67 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLContextAttributes.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLContextAttributes.java
@@ -60,6 +60,6 @@ public abstract class WebGLContextAttributes implements JSObject {
     @JSProperty
     public abstract void setPreserveDrawingBuffer(boolean preserveDrawingBuffer);
 
-    @JSBody(params = {}, script = "return {};")
+    @JSBody(script = "return {};")
     public static native WebGLContextAttributes create();
 }
diff --git a/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLRenderingContext.java b/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLRenderingContext.java
index 345aabbea..5fd48da04 100644
--- a/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLRenderingContext.java
+++ b/jso/apis/src/main/java/org/teavm/jso/webgl/WebGLRenderingContext.java
@@ -15,6 +15,7 @@
  */
 package org.teavm.jso.webgl;
 
+import org.teavm.jso.JSByRef;
 import org.teavm.jso.JSMethod;
 import org.teavm.jso.JSObject;
 import org.teavm.jso.JSProperty;
@@ -659,7 +660,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform1fv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform1fv(WebGLUniformLocation location, float[] v);
+    void uniform1fv(WebGLUniformLocation location, @JSByRef float[] v);
 
     void uniform1i(WebGLUniformLocation location, int x);
 
@@ -667,7 +668,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform1iv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform1iv(WebGLUniformLocation location, int[] v);
+    void uniform1iv(WebGLUniformLocation location, @JSByRef int[] v);
 
     void uniform2f(WebGLUniformLocation location, float x, float y);
 
@@ -675,7 +676,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform2fv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform2fv(WebGLUniformLocation location, float[] v);
+    void uniform2fv(WebGLUniformLocation location, @JSByRef float[] v);
 
     void uniform2i(WebGLUniformLocation location, int x, int y);
 
@@ -683,7 +684,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform2iv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform2iv(WebGLUniformLocation location, int[] v);
+    void uniform2iv(WebGLUniformLocation location, @JSByRef int[] v);
 
     void uniform3f(WebGLUniformLocation location, float x, float y, float z);
 
@@ -691,7 +692,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform3fv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform3fv(WebGLUniformLocation location, float[] v);
+    void uniform3fv(WebGLUniformLocation location, @JSByRef float[] v);
 
     void uniform3i(WebGLUniformLocation location, int x, int y, int z);
 
@@ -699,7 +700,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform3iv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform3iv(WebGLUniformLocation location, int[] v);
+    void uniform3iv(WebGLUniformLocation location, @JSByRef int[] v);
 
     void uniform4f(WebGLUniformLocation location, float x, float y, float z, float w);
 
@@ -707,7 +708,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform4fv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform4fv(WebGLUniformLocation location, float[] v);
+    void uniform4fv(WebGLUniformLocation location, @JSByRef float[] v);
 
     void uniform4i(WebGLUniformLocation location, int x, int y, int z, int w);
 
@@ -715,25 +716,25 @@ public interface WebGLRenderingContext extends JSObject {
 
     void uniform4iv(WebGLUniformLocation location, JSArrayReader<JSNumber> v);
 
-    void uniform4iv(WebGLUniformLocation location, int[] v);
+    void uniform4iv(WebGLUniformLocation location, @JSByRef int[] v);
 
     void uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, Float32Array value);
 
     void uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, JSArrayReader<JSNumber> value);
 
-    void uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, float[] value);
+    void uniformMatrix2fv(WebGLUniformLocation location, boolean transpose, @JSByRef float[] value);
 
     void uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, Float32Array value);
 
     void uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, JSArrayReader<JSNumber> value);
 
-    void uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, float[] value);
+    void uniformMatrix3fv(WebGLUniformLocation location, boolean transpose, @JSByRef float[] value);
 
     void uniformMatrix4fv(WebGLUniformLocation location, boolean transpose, Float32Array value);
 
     void uniformMatrix4fv(WebGLUniformLocation location, boolean transpose, JSArrayReader<JSNumber> value);
 
-    void uniformMatrix4fv(WebGLUniformLocation location, boolean transpose, float[] value);
+    void uniformMatrix4fv(WebGLUniformLocation location, boolean transpose, @JSByRef float[] value);
 
     void useProgram(WebGLProgram program);
 
@@ -745,7 +746,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void vertexAttrib1fv(int indx, JSArrayReader<JSNumber> values);
 
-    void vertexAttrib1fv(int indx, float[] values);
+    void vertexAttrib1fv(int indx, @JSByRef float[] values);
 
     void vertexAttrib2f(int indx, float x, float y);
 
@@ -753,7 +754,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void vertexAttrib2fv(int indx, JSArrayReader<JSNumber> values);
 
-    void vertexAttrib2fv(int indx, float[] values);
+    void vertexAttrib2fv(int indx, @JSByRef float[] values);
 
     void vertexAttrib3f(int indx, float x, float y, float z);
 
@@ -761,7 +762,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void vertexAttrib3fv(int indx, JSArrayReader<JSNumber> values);
 
-    void vertexAttrib3fv(int indx, float[] values);
+    void vertexAttrib3fv(int indx, @JSByRef float[] values);
 
     void vertexAttrib4f(int indx, float x, float y, float z, float w);
 
@@ -769,7 +770,7 @@ public interface WebGLRenderingContext extends JSObject {
 
     void vertexAttrib4fv(int indx, JSArrayReader<JSNumber> values);
 
-    void vertexAttrib4fv(int indx, float[] values);
+    void vertexAttrib4fv(int indx, @JSByRef float[] values);
 
     void vertexAttribPointer(int indx, int size, int type, boolean normalized, int stride, int offset);
 
diff --git a/platform/src/main/java/org/teavm/platform/Platform.java b/platform/src/main/java/org/teavm/platform/Platform.java
index 60c9d6ada..6f6b02d1e 100644
--- a/platform/src/main/java/org/teavm/platform/Platform.java
+++ b/platform/src/main/java/org/teavm/platform/Platform.java
@@ -81,7 +81,7 @@ public final class Platform {
         return (PlatformConsole) Window.current();
     }
 
-    @JSBody(params = {}, script = "return $rt_nextId();")
+    @JSBody(script = "return $rt_nextId();")
     public static native int nextObjectId();
 
     public static <T> T newInstance(PlatformClass cls) {
@@ -140,7 +140,7 @@ public final class Platform {
         ((PlatformHelper) Window.current()).killSchedule(id);
     }
 
-    @JSBody(params = {}, script = "return [];")
+    @JSBody(script = "return [];")
     public static native <T> PlatformQueue<T> createQueue();
 
     public static PlatformString stringFromCharCode(int charCode) {
diff --git a/tests/src/test/java/org/teavm/vm/VMTest.java b/tests/src/test/java/org/teavm/vm/VMTest.java
index c8e2e2e54..30da6759f 100644
--- a/tests/src/test/java/org/teavm/vm/VMTest.java
+++ b/tests/src/test/java/org/teavm/vm/VMTest.java
@@ -152,7 +152,7 @@ public class VMTest {
         assertEquals(30, s);
     }
 
-    @JSBody(params = {}, script = "return [1, 2]")
+    @JSBody(script = "return [1, 2]")
     private static native int[] createArray();
 
     static int initCount = 0;