请老师检查作业
来源：3-11 项目作业
鱼档卖鱼
2022-05-20 17:25:58
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
const arr = [1, 1, '1', 17, true, true, false, false, 'true', 'a', {}, {}];
let arr1=([...new Set(arr)]);
let arr2 =[];
let arr3 =[];
for (let i=0;i<arr.length;i++) {
if(arr2.indexOf(arr[i])==-1) {
arr2.push(arr[i]);
}
}
new Set(arr).forEach((value)=>{
arr3.push(value);
})
console.log(arr1);
console.log(arr2);
console.log(arr3);
</script>
</body>
</html>
1回答
-
好帮手慕星星
2022-05-20
同学你好，三种实现方式都是正确的，很棒！祝学习愉快~
0
