active

The active read-only property of the MediaStream interface returns a Boolean value that will return to be  true if the MediaStream is active, else false.

Syntax

var isActive = MediaStream.active;

Value

A Boolean value that returns true if the MediaStream is active, or false otherwise.

Example

var promise = navigator.mediaDevices.getUserMedia({ 
  audio: true, 
  video: true 
});

promise.then(function(stream) {
  var startBtn = document.querySelector('#startBtn');
  startBtn.disabled = stream.active; 
};)

Specifications

Browser compatibility