JSFiddle - React, Tailwind, and code Playground
by kentaromiura
HTML
<ul>
<li>one</li>
<li class="bar">two</li>
<li>three</li>
</ul>
JavaScript
var items = $$('li');
var result = null;
for(var i=0,max=items.length;i<max;i++){
if(items[i].hasClass('bar')){
result = i;
break;
}
}
alert(result || 'no results found');