JSFiddle - React, Tailwind, and code Playground

by ybombale

HTML

<button id="button">Click me!</button>
<div id="out"></div>

JavaScript

$("#button").click(function () {
    var d, res1, res2;
    
    d = +new Date();
    for (var i=10000; i; i--) {
        $(this).attr("id");
    }
    res1 = +(new Date()) - d;
   
    d = +new Date();
    for (var i=10000; i; i--) {
        this.id;
    }
    res2 = +(new Date()) - d;
    
    $("#out").html(
        '<code>$(this).attr("id"):</code> <b>'+res1+'</b>ms' +
        '<br/><code>this.id:</code> <b>'+res2+'</b>ms'
    );
});