this經典試題
<body>
<div class="container">
<h3>輸出內容</h3>
<pre>
var name = ‘lili‘;
var obj = {
name: ‘liming‘,
prop: {
name: ‘ivan‘,
getname: function() {
return this.name;
}
}
};
console.log(obj.prop.getname());//ivan
var test = obj.prop.getname;
console.log(test()); //lili
試題解析：
誰調用這個方法，this就指向誰；
</pre>
</div>
<script>
var name = ‘lili‘;
var obj = {
name: ‘liming‘,
prop: {
name: ‘ivan‘,
getname: function() {
return this.name;
}
}
};
console.log(obj.prop.getname());//ivan
var test = obj.prop.getname;
console.log(test()); //lili
</script>
this經典試題