JavaScript JQuery - Microsoft Office

JQuery

$ is shorthand for jQuery

<script src="https://code.jquery.com/jquery-1.10.2.js"></script> 
<script src="https://code.jquery.com/jquery-1.9.1.js"></script>

<html> 
<head> 
  <script src="https://code.jquery.com/jquery-1.10.2.js"></script> 
  <script> 
   jQuery(document).ready(function() { 
      jQuery("p").text("The DOM is ready");  //all paragraph elements in the DOM 
   }); 
   </script> 
</head> 
<body> 
   <p>Not Loaded</p> 
</body> 
</html>

DOM, AJAX, Events, Effects
jquery.com

Refers to a specific DOM element

#("#myid")

jQuery.myCustomMethod = function() { alert("hello"); };