请老师检查代码
来源:3-10 编程练习
qq_慕仰20210716
2021-09-08 19:55:01
<!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>
var arr = [];
while (input != -1) {
var input = prompt("请输入:");
arr[arr.length] = input;
}
// arr.length -= 1;这种写法把-1去掉了,当然也可以写下一行的
arr.pop();
var d = arr.splice(0, 2, "hello");
alert("删掉的两个字符串为" + d);
alert(arr);
</script>
</body>
</html>
1回答
同学你好,代码是对的,继续加油,祝学习愉快~