WheelEvent.deltaMode - Web APIs 编辑
The WheelEvent.deltaMode
read-only property returns an unsigned long
representing the unit of the delta values scroll amount. Permitted values are:
Constant | Value | Description |
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
Specification | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 Events Specification The definition of 'WheelEvent.deltaMode' in that specification. | Obsolete | Initial definition. |
Browser compatibility
BCD tables only load in the browser
See also
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