var name = "The Window";
var object = {
name : "My Object",
getNameFunc : function(){
return function(){
return this.name;
};
}
};
alert(object.getNameFunc()());這一段返回的為什么是 The Window,子函數找變量不是一級一級網上找嗎,找的不應該是My Object嗎?var name = "The Window";
var object = {
name : "My Object",
getNameFunc : function(){
var that = this;
return function(){
return that.name;
};
}
};
alert(object.getNameFunc()());返回的是My Object,這里面的var that = this改變了指向嗎,這里的That是哪個對象?
JavaScript閉包作用域問題,JS大神進!
素胚勾勒不出你
2018-10-12 15:14:23
