JSFiddle - React, Tailwind, and code Playground

by harsh dand

HTML

<input type="file" name="file" class="file">
<button id="btn">Cool</button>
<img id="img">

JavaScript

document.getElementById('btn').addEventListener('click', clickHandler);

function clickHandler(){
	var src = URL.createObjectURL(document.getElementsByName('file')[0].files[0]);
  document.getElementById('img').setAttribute('src',src);
}