JSFiddle - React, Tailwind, and code Playground
HTML
<input type="input" value="1" id="ratecontrol" />
JavaScript
var video = document.createElement('audio');
video.src = 'http://designfortress.net/thing/robotMan.mp3';
video.controls = true;
document.body.appendChild(video);
var ratecontrol = document.getElementById('ratecontrol');
video.onratechange = function(e) {
ratecontrol.value = video.playbackRate;
}
$('input').change(function() {
video.playbackRate = ratecontrol.value;
console.log(video.playbackRate)
})