重复0向后移动

原创于 2023-05-03 21:56:18 发布 · 92 阅读

CC 4.0 BY-SA版权

文章标签：

<!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>
            let arr = [0, 0, 1, 2, 3];
            let len = arr.length;
            let k = 0;
            for (let i = 0; i < len; i++) {
                if (k === i) {
                    k++;
                } else {
                    if (arr[i] !== 0) {
                        [arr[k], arr[i]] = [arr[i], arr[k]];
                        k++;
                    }
                }
            }
            console.log(arr)
        </script>
    </body>
</html>