JSFiddle - React, Tailwind, and code Playground

HTML

<video id='myVideo' width="320" height="240" autoplay controls muted>
  <source src="http://html5demos.com/assets/dizzy.mp4" type="video/mp4">
  Your browser does not support the video tag.
</video>

<button onclick="toggleMute();">
Toggle
</button>

JavaScript

function toggleMute() {

var video=document.getElementById("myVideo")

if(video.muted){
	video.muted = false;
} else {
	video.muted = true;
}

}