JSFiddle - React, Tailwind, and code Playground
HTML
<div id='banana'>
Banana
</div>
<div id='strawberry'>
Strawberry
</div>
<div id='apple'>
Apple
</div>
JavaScript
var divs = document.getElementsByTagName('div');
for (var c=0; c<divs.length; c++) {
var div = divs[c];
div.onclick = function() {alert(div.id);}
}