JSFiddle - React, Tailwind, and code Playground

by bnickel

HTML

<pre></pre>

JavaScript

var loadTime = 0;
var runCount = 0;

function reloadLibrary() {
    var $ = window.Zepto;
    var $pre = $('pre');
    var $body = $('body');
    var $script = $('script[src]');
    
    $.getScript = function (url, success) {
        var script = document.createElement("script"),
            $script = $(script);
        script.src = url;

        $("head").append(script);
        $script.bind("load", success);
    };

    window.Zepto = window.$ = null;
    
    var startTime = Date.now();
    $.getScript($script.attr('src'), function() {
        loadTime += Date.now() - startTime;
        runCount += 1;
        $pre.text('Total: ' + loadTime + 'ms\n Runs:  ' + runCount + '\nAvg:   ' + loadTime / runCount + 'ms');
        
        if (runCount < 50) {
            reloadLibrary();
        }
    });
}

reloadLibrary();