JSFiddle - React, Tailwind, and code Playground

HTML

<div id="container1">
    <p>Texto</p>
</div>
<div id="container22">
    <p>Texto</p>
</div>
<div id="container4">
    <p>Texto</p>
</div>

JavaScript

var cont = $('[id^="container"]').get().map(function (div) {
    var nr = div.id.match(/(\d+)/);
    return parseInt(nr[1], 10);
}).sort(function (a, b) {
    return a - b
}).pop();

console.log(cont)