3 ways to write JQuery to call and bind click events_jquery

First way:

 $(document).ready(function(){
 $("#clickme").click(function(){
    alert("Hello World click");
 });

The second way:

 $('#clickmebind').bind("click", function(){
 alert("Hello World bind");
 });

The third way:

$('#clickmeon').on('click', function(){ 
 alert("Hello World on"); 
}); 
}); 

Note: The third method is only applicable to jquery 1.7 or above
The source code is as follows:

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