JSFiddle - React, Tailwind, and code Playground

by lollero

HTML

<div id="lipsum">RED</div>
<div id="lapsum">black</div>
<div id="lipsumhah">RED</div>
<div id="lipsum-yay">RED</div>
<div id="lipsu-yay">black</div>

CSS

.foundIT {
    color: red;
}

JavaScript

$('div')
    .filter(function() {
        return this.id.match(/^lipsum/);
    })
    .addClass('foundIT');