JSFiddle - React, Tailwind, and code Playground

by JamesD

HTML

<button onclick="example()">Click here</button>

<p>The above button will cause an alert to appear when one million iterations of a for loop have occurred.</p>

JavaScript

function example() {
    for (var i = 0; i <= 1000000; i++)
        if (i === 1000000)
            alert("One million iterations have happened.");
}