trigger(type , data ) : trigger « jQuery « JavaScript Tutorial

<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
        
            

            $("button:first").click(function () {
              update($("span:first"));
            });
            $("button:last").click(function () {
              $("button:first").trigger('click');
        
              update($("span:last"));
            });
        
            function update(j) {
              var n = parseInt(j.text(), 0);
              j.text(n + 1);
            }

               


        });
    </script>

  </head>
  <body>
    <body>
          <button>1</button>
          <button>2</button>
        
          <span>0</span> /
          <span>0</span> 
                 
    </body>
</html>

30.108.trigger
	30.108.1.	Trigger Another Event
	30.108.2.	Triggered By Select Change Event
	30.108.3.	Trigger handler
	30.108.4.	Triggers the blur event of each matched element
	30.108.5.	Trigger Submit Event
	30.108.6.	Trigger a custom event
	30.108.7.	trigger(type , data )
	30.108.8.	To submit the first form without using the submit() function
	30.108.9.	Display a "Hello World!" alert box.