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
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 | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| General support | 21.0 webkit 35.0 |
(Yes) | 29.0 (29.0) | No support | 15.0 webkit 22.0 |
No support |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| General support | No support | (Yes) | 32.0 (32.0) | No support | No support | No support |