Executing js code after page load, ways

The easiest way that all newbies can think of is to specify the function in window.onload. Example:

Method with enStackOveflow ― launch via functions document.onreadystatechange and document.readyState. Example:

A fairly new way is to run through a handler DOMContentLoaded. Example:

A variation that will work for everyone using JQuery ― use JQuery :) . Example: