JSFiddle - React, Tailwind, and code Playground

by Subigya Panta

HTML

<div id='1'>1</div>
<div id='2'>2</div>
<div id='3'>3</div>
<div id='4'>4</div>
<div id='5'>5</div>

CSS

div{
    background-color: grey;    
}

JavaScript

var div = document.getElementsByTagName('div');
var size = div.length;

function changeColor(){
    this.style.backgroundColor = '#27f';
}
for( var i = 0; i < size; i++ ){
    div[i].onclick = changeColor;
}