The item()
method returns the Touch
object at the specified index in the TouchList
.
js
item(index)
touchPoint
The requested Touch
object from the TouchList
. Returns null
if the index is not less than the length of the list.
This code example illustrates the use of the TouchList
interface's item
method and the length
property.
js
const target = document.getElementById("target"); target.addEventListener( "touchstart", (ev) => { // If this touchstart event started on element target, // set touch to the first item in the targetTouches list; // otherwise set touch to the first item in the touches list const touch = ev.targetTouches.length >= 1 ? ev.targetTouches.item(0) : ev.touches.item(0); }, false, );
Specification |
---|
Touch Events # dom-touchlist-item |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
item |
18 | ≤18 |
52This interface is only exposed if a touch input device is detected.18–24Removed in bug 888304 due to web compatibility issues. |
No | 15 | No | 4.4 | 18 | 6 | 14 | 2 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/TouchList/item