<script>
function b(){
}
b.prototype.customAlert=function(){
alert("how are you");
}
function a(arg){
this.anotherObj = arg;
}
var temp = new a(new b());
temp.anotherObj.customAlert();
</script>
function b(){
}
b.prototype.customAlert=function(){
alert("how are you");
}
function a(arg){
this.anotherObj = arg;
}
var temp = new a(new b());
temp.anotherObj.customAlert();
</script>
解决方案 »
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