1$(window).on('load', function() {
2 // code here
3});

1$(document).ready(function() { 
2});
3

1$(document).ready(function() {
2    // Code to run as soon as the page is ready
3})

1$(function(){
2  // equal to $( document ).ready(function() {
3});
4  

1// jQuery document ready function
2$(function() {
3 // do stuff
4});