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

1$( document ).ready(function() {
2    console.log( "ready!" );
3});
4

1// A jQuery( document ).ready() block.
2jQuery( document ).ready(function() {
3    console.log( "ready!" );
4});

1// A $( document ).ready() block.
2$( document ).ready(function() {
3    console.log( "ready!" );
4});
5

1$(function() {
2    console.log( "ready!" );
3});

1The .ready() method is typically used with an anonymous function:
2$( document ).ready(function() {
3  // Handler for .ready() called.
4});
5
6Which is equivalent to the recommended way of calling:
7$(function() {
8  // Handler for .ready() called.
9});