The AudioNode.numberOfInputs property is used to return the number of inputs that are feeding the node. The Source node is used to define as nodes that contain a numberOfInputs property with a value zero.
Syntax:
var numInputs = audioNode.numberOfInputs;
Return Value: It returns an integer value greater than equal to zero.
Example 1:
<!DOCTYPE HTML> <html>
<head>
<title>
Web Audio API | AudioNode numberOfInputs property
</title>
</head>
<body>
<h1 style = "color:green;" >
GeeksforGeeks
</h1>
<h2>
AudioNode numberOfInputs property
</h2>
<script>
// Create new Audio context
const audioContext = new AudioContext();
// Create an OscillatorNode
const oscillator = audioContext.createOscillator();
// Create a gainNode
const gainNode = audioContext.createGain();
oscillator.connect(gainNode).connect(audioContext.destination);
// Display the numberOfOutputs in console view
console.log(oscillator.numberOfInputs);
</script>
</body>
</html>
|
Output:
Example 2:
<!DOCTYPE HTML> <html>
<head>
<title>
Web Audio API | AudioNode numberOfInputs property
</title>
</head>
<body>
<h1 style = "color:green;" >
GeeksforGeeks
</h1>
<h2>
AudioNode numberOfInputs property
</h2>
<script>
// Create new Audio context
const audioContext = new AudioContext();
// Create an OscillatorNode
const oscillator = audioContext.createOscillator();
// Create a gainNode
const gainNode = audioContext.createGain();
oscillator.connect(gainNode).connect(audioContext.destination);
// Display the numberOfOutputs in console view
console.log(gainNode.numberOfInputs);
</script>
</body>
</html>
|
Output:
Example 3:
<!DOCTYPE HTML> <html>
<head>
<title>
Web Audio API | AudioNode numberOfInputs property
</title>
</head>
<body>
<h1 style = "color:green;" >
GeeksforGeeks
</h1>
<h2>
AudioNode numberOfInputs property
</h2>
<script>
// Create new Audio context
const audioContext = new AudioContext();
// Create an OscillatorNode
const oscillator = audioContext.createOscillator();
// Create a gainNode
const gainNode = audioContext.createGain();
oscillator.connect(gainNode).connect(audioContext.destination);
// Display the numberOfOutputs in console view
console.log(audioContext.destination.numberOfInputs);
</script>
</body>
</html>
|
Output:
Supported Browsers: The browser supported by AudioNode.numberOfInputs property are listed below:
- Google Chrome 14.0
- Edge 12.0
- Firefox 25.0
- Safari 6.0
- Opera 15.0