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:
<!DOCTYPE HTML> <html> <head> <title> Web Audio API | AudioNode numberOfInputs property </title> </head> <body> <h1 style = "color:green;" > w3wiki </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;" > w3wiki </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;" > w3wiki </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