diff --git a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLButtonElement.java b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLButtonElement.java
index 061a3e68d..6706335fc 100644
--- a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLButtonElement.java
+++ b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLButtonElement.java
@@ -16,8 +16,9 @@
 package org.teavm.jso.dom.html;
 
 import org.teavm.jso.JSProperty;
+import org.teavm.jso.popover.PopoverInvokerElement;
 
-public abstract class HTMLButtonElement extends HTMLElement {
+public abstract class HTMLButtonElement extends HTMLElement implements PopoverInvokerElement {
     public static final String TYPE_BUTTON = "button";
 
     public static final String TYPE_RESET = "reset";
diff --git a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
index 20786be97..df41315e5 100644
--- a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
+++ b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLElement.java
@@ -29,9 +29,10 @@ import org.teavm.jso.dom.types.DOMTokenList;
 import org.teavm.jso.dom.xml.Element;
 import org.teavm.jso.dom.xml.Node;
 import org.teavm.jso.dom.xml.NodeList;
+import org.teavm.jso.popover.ToggleEventTarget;
 
 public abstract class HTMLElement implements Element, ElementCSSInlineStyle, EventTarget, FocusEventTarget,
-        MouseEventTarget, WheelEventTarget, KeyboardEventTarget, LoadEventTarget, TouchEventTarget {
+        MouseEventTarget, WheelEventTarget, KeyboardEventTarget, LoadEventTarget, TouchEventTarget, ToggleEventTarget {
     @Override
     public abstract NodeList<? extends HTMLElement> getElementsByTagName(String name);
 
@@ -158,6 +159,20 @@ public abstract class HTMLElement implements Element, ElementCSSInlineStyle, Eve
     @JSProperty
     public abstract DOMTokenList getClassList();
 
+    @JSProperty
+    public abstract String getPopover();
+
+    @JSProperty
+    public abstract void setPopover(String popover);
+
+    public abstract void hidePopover();
+
+    public abstract void showPopover();
+
+    public abstract boolean togglePopover();
+
+    public abstract boolean togglePopover(boolean force);
+
     public final HTMLElement withAttr(String name, String value) {
         setAttribute(name, value);
         return this;
diff --git a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLInputElement.java b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLInputElement.java
index 150270b46..8b7c0948c 100644
--- a/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLInputElement.java
+++ b/jso/apis/src/main/java/org/teavm/jso/dom/html/HTMLInputElement.java
@@ -17,8 +17,9 @@ package org.teavm.jso.dom.html;
 
 import org.teavm.jso.JSProperty;
 import org.teavm.jso.file.FileList;
+import org.teavm.jso.popover.PopoverInvokerElement;
 
-public abstract class HTMLInputElement extends HTMLElement {
+public abstract class HTMLInputElement extends HTMLElement implements PopoverInvokerElement {
     @JSProperty
     public abstract boolean isChecked();
 
diff --git a/jso/apis/src/main/java/org/teavm/jso/popover/PopoverInvokerElement.java b/jso/apis/src/main/java/org/teavm/jso/popover/PopoverInvokerElement.java
new file mode 100644
index 000000000..80186ef71
--- /dev/null
+++ b/jso/apis/src/main/java/org/teavm/jso/popover/PopoverInvokerElement.java
@@ -0,0 +1,40 @@
+/*
+ *  Copyright 2024 lasse-cs.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.jso.popover;
+
+import org.teavm.jso.JSProperty;
+import org.teavm.jso.dom.html.HTMLElement;
+
+public interface PopoverInvokerElement {
+    
+    String HIDE = "hide";
+    
+    String SHOW = "show";
+
+    String TOGGLE = "toggle";
+
+    @JSProperty
+    String getPopoverTargetAction();
+
+    @JSProperty
+    void setPopoverTargetAction(String action);
+
+    @JSProperty
+    HTMLElement getPopoverTargetElement();
+
+    @JSProperty
+    void setPopoverTargetElement(HTMLElement popoverTarget);
+}
diff --git a/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEvent.java b/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEvent.java
new file mode 100644
index 000000000..d78cb347e
--- /dev/null
+++ b/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEvent.java
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2024 lasse-cs.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.jso.popover;
+
+import org.teavm.jso.JSProperty;
+import org.teavm.jso.dom.events.Event;
+
+public interface ToggleEvent extends Event {
+
+    String OPEN = "open";
+    String CLOSED = "closed";
+
+    @JSProperty
+    String getOldState();
+
+    @JSProperty
+    String getNewState();
+}
diff --git a/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEventTarget.java b/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEventTarget.java
new file mode 100644
index 000000000..143f98af1
--- /dev/null
+++ b/jso/apis/src/main/java/org/teavm/jso/popover/ToggleEventTarget.java
@@ -0,0 +1,31 @@
+/*
+ *  Copyright 2024 lasse-cs.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.jso.popover;
+
+import org.teavm.jso.dom.events.EventListener;
+import org.teavm.jso.dom.events.EventTarget;
+import org.teavm.jso.dom.events.Registration;
+
+public interface ToggleEventTarget extends EventTarget {
+
+    default Registration onBeforeToggle(EventListener<ToggleEvent> listener) {
+        return onEvent("beforetoggle", listener);
+    }
+
+    default Registration onToggle(EventListener<ToggleEvent> listener) {
+        return onEvent("toggle", listener);
+    }
+}