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 0.0 — 1.0, with 0.0 representing a button that is not pressed, and 1.0 representing a button that is fully pressed.

Syntax

JavaScript

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<span id="idl-def-GamepadButton" class="idlInterface">    readonly    attribute double  value;</span>

Example

JavaScript

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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

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

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

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