WheelEvent deltaMode Property
Example
Return the length unit of the delta values:
function myFunction(event) {
var x = event.deltaMode;
// 0
= pixels
// 1 = lines
// 2 = pages
}
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Description
The deltaMode property returns a number
representing the length unit of the scrolling values (deltaX,
deltaY, and
deltaZ).
0 = pixels
1 = lines
2 = pages
Note: This property is read-only.
Syntax
event.deltaMode
Technical Details
| Return Value: |
A
Number, indicating the length unit of the delta values Possible values: 0 = pixels 1 = lines 2 = pages |
|---|
Related Pages
HTML DOM reference: WheelEvent deltaX Property
HTML DOM reference: WheelEvent deltaY Property
HTML DOM reference: WheelEvent deltaZ Property
Browser Support
event.deltaMode is a DOM Level 3 (2004) feature.
It is fully supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | 11 |
