Listen to your web pages

Listen to your web pages 3
Listen to your web pages · GitHub

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Listen to your web pages

Copy this into the console of any web page that is interactive and doesn’t
do hard reloads. You will hear your DOM changes as different pitches of
I have found this interesting for debugging, but also fun to hear web pages
render like UIs do in movies.
const audioCtx = new (window.AudioContext || window.webkitAudioContext)()
const observer = new MutationObserver(function(mutationsList) {
const oscillator = audioCtx.createOscillator()
oscillator.type = “sine”
Math.log(mutationsList.length + 5) * 880,
oscillator.stop(audioCtx.currentTime + 0.01)
observer.observe(document, {
attributes: true,
childList: true,
subtree: true,
characterData: true,

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