一直在call上花了很多時間，直接上代碼吧， <body> <div class="box" id="box"> <div class="child">111</div> <div class="child">222</div> <div class="child">333</div> <div c
一直在call上花了很多時間，直接上代碼吧，
<body>
<div class="box" id="box">
<div class="child">111</div>
<div class="child">222</div>
<div class="child">333</div>
<div class="child">444</div>
</div>
</body>
<script type="text/javascript">
function css(){
this.style.width="200px";
this.style.height="100px";
this.style.border="1px solid red";
}
function test(callback){
var dom = document.getElementById("box");
dom.onclick = function(){
if(callback)callback.call(this);
}
}
test(css);
</script>
點擊box後運行效果：
AUF2.png)
