callback呼び出しテスト
7793 ワード
<html>
<head>
<script>
var context=" ";
var testObj={
context:" ",
callback:function (str){//
alert("callback: ，context="+this.context+"， ："+str);
},
caller:function(){
callWithClosure(function(param){this.callback(param);});
var temp=this;
callWithClosure(function(param){temp.callback(param);});
}
};// ，
testObj.context=" ";
function testCall(){
callMethod(testObj.callback);
testObj.caller();
callWithClosure(function(param){testObj.callback(param);});
callObjMethod(testObj,testObj.callback);
}
function callObjMethod(obj,method){
method.call(obj," ");
}
function callMethod(method){
method(" ");
}
function callWithClosure(method){
method(" Closure ");
}
function callback(str){
alert("callback: 。");
}
</script>
</head>
<body>
<a href="javascript:void(0)" onclick="testCall()"> </a>
</body>
</html>