Note: Since there is ongoing fluidity in functionality and naming of API terms in WebRTC and supporting browsers, use of this adapter is generally recommended.
The adapter is provided under a BSD-style license.
For each version of each browser that supports WebRTC, adapter.js implements the needed polyfills, establishes the non-prefixed names of APIs, and applies any other changes needed to make the browser run code written to the WebRTC specification.
For example, on Firefox versions older than 38, the adapter adds the
RTCPeerConnection.urls property; Firefox doesn't natively support this property until Firefox 38, while on Chrome, support for the
Promise based API is added if not yet available. These are just a couple of examples; there are of course other adjustments made for you by the shim.
The WebRTC adapter currently supports Firefox, Google Chrome, and Microsoft Edge.
In order to use adapter.js, you need to include adapter.js on any page that uses WebRTC APIs:
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