老师检查作业

来源：4-7 编程练习

3颗猫饼干

2021-09-15 16:05:00

相关代码：

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
<title>二维数组</title>
</head>
<body>
<script>
var arr=[
["小慕","男",23],
["小欧","女",22],
["小课","男",24],
["小时","女",22],
["小码","女",20]
]

        var newArr = [];

        for (i = 0; i < arr.length; i++) {

            for (j = 0; j < 3; j++) {
                if (arr[i][j] == '女') {
//数组不能直接赋值，否则最后输出结果就是最后一项，
                    newArr.push(arr[i])
                }
            }
        }
        console.log(newArr);

</script>
</body>
</html>