JSFiddle - React, Tailwind, and code Playground

by seong gyun jeon

JavaScript

(function(){
    
    console.log('javascript block start=' + new Date().getSeconds());
    
    for (var i = 0; i < 100000; i++){
        if (i === (100000 - 1)){
            console.log('javascript block end=' + new Date().getSeconds());
            break;
        }
        console.log();
    }
    
    this.setTimeout(function(){
        
        console.log('javascript onload event before' + new Date().getSeconds());
    }, 1);
    
    this.onload = function(){
        
        console.log('javascript onload start=' + new Date().getSeconds());
        
        var args = arguments;
        
        var a = 0;
        var b = 0;
        var c = 0;
        var d = 0;
        
        args.callee.timer1 = setTimeout(function(){
            if (a < 1000){
                
                if (a === 0) console.log('timeout block queue1 start=' + new Date().getSeconds());
                
                a++;
                
                args.callee.timer1 = setTimeout(arguments.callee, 10);
            }
            else{
                clearTimeout(args.callee.timer1);
                console.log('timeout block queue1 end=' + new Date().getSeconds());
            }
        }, 10);
        
        args.callee.timer2 = setTimeout(function(){
            if (b < 1000){
                if (b === 0) console.log('timeout block queue2 start=' + new Date().getSeconds());
                b++;    
                
                args.callee.timer2 = setTimeout(arguments.callee, 10);            
            }
            else{
                clearTimeout(args.callee.timer2);
                console.log('timeout block queue2 end=' + new Date().getSeconds());
            }
        }, 10);        
        
        args.callee.timer3 = this.setInterval(function(){
            if (c < 1000){
                if (c === 0) console.log('interval block queue1 start=' + new Date().getSeconds());
                c++;
            }
            else{
               ...