方法1 （繫結bind/解除unbind點選）：

<a href="javascript:void(0)" id="dianji">點選</a>
<br/><br/>
<a href="javascript:void(0)" id="bangding">繫結</a><br/>
<a href="javascript:void(0)" id="jiechu">解除</a><br/>

<script type="text/javascript">
	
//點選操作
$("#dianji").bind("click",function(){ 
	test($(this));
}); 

function test(obj){
	alert( 11111);
}

$("#bangding").bind("click",function(){ 
	var obj = $("#dianji");
	obj.bind("click",function (){test(obj)});
	
}); 


$("#jiechu").bind("click",function(){ 
	var obj =  $("#dianji");
	obj.unbind("click");
}); 




</script>
 

方法2：

<a href="javascript:void(0)" class="save">儲存</a>


<script type="text/javascript">

var save_flag = true;
		$(".save").on({
			click:function(){  
				if(!save_flag){
					//不提交
					return;
				}


                $.ajax({
		          type : "POST",
		          url : "save.php",
		          data : { "name":"1234444"},
		          dataType:"json",
		          beforeSend: function(){
		          	save_flag = false;
				  }, 
		          error:function(){
		            //alert("error");
		            save_flag = true;
		          },
		          success:function(data){
		          	save_flag = true;
		          	
		          	alert("提示資訊");
		            
		          }
		      	});


            } 
        }); 


</script>