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来源：2-11 编程练习
练习时常两年半的前端练习生
2022-03-21 16:34:41
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
const obj = {
"0": "xm",
"sex": "male",
length: 2
}
obj[Symbol.iterator] = () => {
let index = 0;
return {
next() {
index++;
if (index === 1) {
return {
value: obj[0],
done: false
}
} else if (index === 2) {
return {
value: obj.sex,
done: false
}
} else if (index === 3) {
return {
value: obj.length,
done: false
}
} else {
return {
done: true
}
}
}
}
}
for(const item of obj){
console.log(item);
}
</script>
</body>
</html>
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1回答
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好帮手慕慕子
2022-03-21
同学你好，代码效果实现是正确的，继续加油，祝学习愉快~
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