JSFiddle - React, Tailwind, and code Playground

by vusan

HTML

<div id="parent">
<div  onclick='getIndex(this)'>a</div>
<div  onclick='getIndex(this)'>b</div>
<div  onclick='getIndex(this)'>c</div>
</div>

JavaScript

function getIndex( el )
{
    length=el.parentNode.getElementsByTagName('div').length;
    alert(length)
for ( var index=0;index<length;index++)

{
if ( el == el.parentNode.getElementsByTagName('div')[ index ] )
{
    alert(index);
return index;
}

}
}