JSFiddle - React, Tailwind, and code Playground

HTML

<body onLoad="alert('Onload called!');"> 
    <iframe src="http://www.google.co.in"></iframe>
</body>

JavaScript

$( document ).ready(function() {
        alert( "document loaded" );
    });

    $( window ).load(function() {
        alert( "window loaded" );
    });

$(function(){
alert("Self Executing anonymous function!");
});