The WheelEvent.deltaMode read-only property returns an unsigned long representing the unit of the delta values scroll amount. Permitted values are:
DOM_DELTA_PIXEL
0x00
The delta values are specified in pixels.
DOM_DELTA_LINE
0x01
The delta values are specified in lines.
DOM_DELTA_PAGE
0x02
The delta values are specified in pages.
Syntax
var unit = event .deltaMode;
Example
var syntheticEvent = new WheelEvent("syntheticWheel", {"deltaX": 4, "deltaMode": 0});
console.log(syntheticEvent.deltaMode);
Specifications
Browser compatibility
Feature
Chrome
Edge
Firefox (Gecko)
Internet Explorer
Opera
Safari (WebKit)
Basic support
31
(Yes)
17.0 (17.0)
9.0
18
7.0
Feature
Android
Edge
Firefox Mobile (Gecko)
IE Phone
Opera Mobile
Safari Mobile
Basic support
(Yes)
(Yes)
17.0 (17.0)
?
(Yes)
No support
See also
Document Tags and Contributors
Last updated by:
libbymc ,
Dec 16, 2016, 10:09:55 AM
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