JSFiddle - React, Tailwind, and code Playground

HTML

<div class="comparison">123456789012.1234567890123</div>

CSS

body { font-family: consolas, Monaco, monospace }
.comparison { color: #bbb }

JavaScript

var i, s = "";

for (i = 0; i < 26; i++) {
    s += (i === 12) ? "." : Math.floor(Math.random() * 10);
}

$("body").prepend("<div>" + s + "</div>");