Web Audio API | AudioNode numberOfInputs Property

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:

html

<!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:

html

<!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:

html

<!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

Web Audio API | AudioNode numberOfInputs Property

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