Automatically add dynamic compressor to all video elements on page

DynamicCompressorNode.js

compressor = null
videos = document.getElementsByTagName ("video")

for (audioElt of videos) {
    audioCtx = new AudioContext();
    
    // Create a MediaElementAudioSourceNode
    // Feed the HTMLMediaElement into it
    const source = new MediaElementAudioSourceNode(audioCtx, {
      mediaElement: audioElt,
    });
    
    // Create a compressor node
    compressor = new DynamicsCompressorNode(audioCtx, {
      threshold: -50,
      knee: 40,
      ratio: 12,
      attack: 0,
      release: 0.25,
    });
    
    // connect the AudioBufferSourceNode to the destination
    source.connect(audioCtx.destination);
    source.connect(compressor);

    
}