GamepadButton.value

The GamepadButton.value property of the GamepadButton interface returns a double value used to represent the current state of analog buttons on many modern gamepads, such as the triggers.

The values are normalized to the range 0.01.0, with 0.0 representing a button that is not pressed, and 1.0 representing a button that is fully pressed.

Syntax

    readonly    attribute double  value;

Example

var gp = navigator.getGamepads()[0];

if(gp.buttons[0].value > 0) {
  // respond to analog button being pressed in
} 

Value

A double.

Specifications

Specification Status Comment
Gamepad
The definition of 'GamepadButton.value' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
General support 21.0 webkit
35.0
29.0 (29.0) Not supported 15.0 webkit
22.0
Not supported
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
General support Not supported 32.0 (32.0) Not supported Not supported Not supported

See also

Using the Gamepad API

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/gamepadbutton/value