ready function in js code example

Example 1: document ready

$( document ).ready(function() {
    console.log( "ready!" );
});

Example 2: document ready without jquery

document.addEventListener("DOMContentLoaded", function(event) { 
  //we ready baby
});

Example 3: jquery doc ready

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