The hasPointerCapture()
method of the Element
interface checks whether the element on which it is invoked has pointer capture for the pointer identified by the given pointer ID.
The hasPointerCapture()
method of the Element
interface checks whether the element on which it is invoked has pointer capture for the pointer identified by the given pointer ID.
js
hasPointerCapture(pointerId)
pointerId
The pointerId
of a PointerEvent
object.
A boolean value — true
if the element does have pointer capture, false
if it doesn't.
html
<html lang="en"> <script> function downHandler(ev) { const el = document.getElementById("target"); // Element 'target' will receive/capture further events el.setPointerCapture(ev.pointerId); // … // Check whether element still has pointer capture let pointerCap = el.hasPointerCapture(ev.pointerId); if (pointerCap) { // We've still got pointer capture } else { // oops, we've lost pointer capture! } } function init() { const el = document.getElementById("target"); el.onpointerdown = downHandler; } </script> <body onload="init();"> <div id="target">Touch this element with a pointer.</div> </body> </html>
Specification |
---|
Pointer Events # dom-element-haspointercapture |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
hasPointerCapture |
55 | 79 | 59 | No | 42 | 13 | 55 | 55 | 79 | 42 | 13 | 6.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Element/hasPointerCapture