AudioParam: defaultValue property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

The defaultValue read-only property of the AudioParam interface represents the initial value of the attributes as defined by the specific AudioNode creating the AudioParam.

Value

A floating-point Number.

Examples

js
const audioCtx = new AudioContext(); const gainNode = audioCtx.createGain(); const defaultVal = gainNode.gain.defaultValue; console.log(defaultVal); // 1 console.log(defaultVal === gainNode.gain.value); // true 

Specifications

Specification
Web Audio API>
# dom-audioparam-defaultvalue>

Browser compatibility

See also