myplayaaaaa
Version:
wwww
20 lines (19 loc) • 611 B
HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script>
let arr=["tom","jarry","susan"];
//调用遍历器函数，返回一个遍历器对象
let iter=arr[Symbol.iterator]();//arr.values()
//逐个遍历数组成员
console.log(iter.next());//{value:"tom",done:false}
console.log(iter.next());//{value:"jarry",done:false}
console.log(iter.next());//{value:"susan",done:false}
console.log(iter.next());//{value:"undefined",done:true}
</script>
</head>
<body>
</body>
</html>