height

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height

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W3C Working Draft

Summary

The height (magnitude on the Y axis), in CSS pixels, of the contact geometry of the pointer.

Property of dom/PointerEvent

Syntax

Note: This property is read-only.

var result = event.height;

Return Value

Returns an object of type unsigned long.

Examples

Resizing an element to match the contact geometry

JavaScript

<script>
window.addEventListener("pointerdown", checkPointerSize, false);
function checkPointerSize(event) {
	event.target.style.width = event.width + "px";
	event.target.style.height = event.height + "px";
}
</script>

Usage

This value may be updated on each event for a given pointer. For devices which have a contact geometry but the actual geometry is not reported by the hardware, a default value may be provided by the user agent to approximate the geometry typical of that pointer type. Otherwise, the value must be 0.

Compatibility

Desktop

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic Support	?	?	IE10	?	?

Mobile

Feature	Android	BlackBerry	Chrome for mobile	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Opera Mini	Safari Mobile
Basic support	?	?	?	?	?	?	?	?

Compatibility notes

Browser	Version	Note
Internet Explorer	10	Pointer events are supported with the MS prefix. In the example above, IE10 would require 'MSPointerDown rather than pointerdown.