js off bind unbind delegate undelegate绑定解绑操作，其中off可以解绑任意js事件
/*绑定多个事件
$(function(){
$("div").delegate("#a,#b",{"click":function(){
alert(1)
}
,"mouseover":function(){
$(this).before(1)
}
})})
$(function(){
$("div").delegate("#a,#b","click mouseover",function(){
alert(1)
})
})
$(document).ready(function(e) {
$("#a").on({
"click":function(){
alert(1)},"mouseover":function(){alert(2)}
})
});
function un(){
$("div").undelegate("mouseover")
}
$(document).ready(function(e) {
$("#a,#b").delegate(this,"click",function(){
alert(1)
})
});
//单个解除或多个off
function un(){
$("#a,#b").off("click") or $("#a").unbind("click") or $("#a").off("click")$("#a").off("click") 事 off可以解绑delegate bind on等事件
}
*/
/* function test(event){
alert(event.data.data)
}
$(document).ready(function(e) {
$("#a").on("click",{data:"1"},test)
});
$(function(){
$("#a").on("自定义事件",function(event,data){
alert(data)
})
$("#a").trigger("自定义事件","231")
})
$(function(){
$("#a").mouseover(function(){
alert(1)
})
})
function un(){
$("#a").off("mouseover")
}*/
</script>
</head>
<body>
<div>
<span id="a" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;" >1</span> <br/> <br/>
<span id="b" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;">2</span> <br/> <br/>
<span id="c" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;">3</span> <br/> <br/>
</div>
<input type="button" value="移除事件" onclick="un()"/>
/*绑定多个事件$(function(){ $("div").delegate("#a,#b",{"click":function(){alert(1)},"mouseover":function(){$(this).before(1)}})}) $(function(){ $("div").delegate("#a,#b","click mouseover",function(){ alert(1) }) })$(document).ready(function(e) { $("#a").on({"click":function(){alert(1)},"mouseover":function(){alert(2)}}) }); function un(){ $("div").undelegate("mouseover") } $(document).ready(function(e) { $("#a,#b").delegate(this,"click",function(){ alert(1)}) });
//单个解除或多个off function un(){ $("#a,#b").off("click") or $("#a").unbind("click") or $("#a").off("click")$("#a").off("click") 事 off可以解绑delegate bind on等事件 } */ /* function test(event){ alert(event.data.data) } $(document).ready(function(e) { $("#a").on("click",{data:"1"},test) }); $(function(){ $("#a").on("自定义事件",function(event,data){ alert(data)}) $("#a").trigger("自定义事件","231") }) $(function(){ $("#a").mouseover(function(){ alert(1) }) }) function un(){ $("#a").off("mouseover") }*/ </script>
</head>
<body> <div> <span id="a" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;" >1</span> <br/> <br/> <span id="b" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;">2</span> <br/> <br/> <span id="c" style="display:block; width:20px; height:20px; background-color:#F00; color:#0F0; text-align:center;">3</span> <br/> <br/> </div> <input type="button" value="移除事件" onclick="un()"/>
