GlobalEventHandlers.ontouchstart

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The ontouchstart property of the GlobalEventHandlers mixin is an EventHandler that processes touchstart events.

Note: This attribute has not been formally standardized. It is specified in the Touch Events – Level 2 Draft specification and not in Touch Events Recommendation. This attribute is not widely implemented.

Syntax

var startHandler = someElement.ontouchstart;

Return value

startHandler
The touchstart event handler for element someElement.

Example

This example shows two ways to use ontouchstart to set an element's touchstart event handler.

<html>
<script>
function startTouch(ev) {
  // Process the event
}
function init() {
  let el = document.getElementById('target1');
  el.ontouchstart = startTouch;
}
</script>

<body onload="init();">
  <div id="target1"> Touch me ... </div>
  <div id="target2" ontouchstart="startTouch(event)"> Touch me ... </div>
</body>
</html>

Specifications

Specification Status Comment
Touch Events – Level 2 Draft Non-stable version.

Browser compatibility

DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
ontouchstart
Experimental
Chrome Full support 18Edge Full support ≤79Firefox No support ? — 67IE ? Opera ? Safari ? WebView Android Full support YesChrome Android Full support YesFirefox Android ? Opera Android ? Safari iOS ? Samsung Internet Android Full support Yes

Legend

Full support
Full support
No support
No support
Compatibility unknown
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

See also