JSFiddle - React, Tailwind, and code Playground

by jfriend00

HTML

<div id="foo">Whatever</div>
<div id="id_123456_7890123">ABC</div>
<div id="id_123456_1120092">DEF</div>
<div id="id_555222_1200192">GHI</div>
<div id="id_123456_9882311">JKL</div>
<div>Something</div>

JavaScript

var divs = document.getElementsByTagName("div"), item;
for (var i = 0, len = divs.length; i < len; i++) {
    item = divs[i];
    if (item.id && item.id.indexOf("id_123456_") == 0) {
        // item.id starts with id_1234546_
        item.style.color = "red";
    }
}