The WheelEvent.deltaX property in HTML is used to return a positive double value when the web page is scrolled horizontally along left or right direction. If the page is scrolled to right it return a positive value, and a negative double value when scrolled to the left, else it returns zero. It is a read-only property.
Return Value: It returns a double value which indicates the scrolling direction of mouse wheel.
- A positive double value represents mouse is scrolled to right.
- A negative double value represents mouse is scrolled to left.
Supported Browsers: The browser supported by deltaX property are listed below:
- Apple Safari Not supported
- Google Chrome 31.0
- Firefox 17.0
- Opera 18.0
- Internet Explorer