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- <!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>
- var arr = [1,2,3,4,5,6];
- // push 向数组末尾添加新值
- arr.push(7);
- // unshift 向数组开头添加新值
- arr.unshift(0);
- // pop 从数组末尾删除一个值
- arr.pop();
- arr.shift();
- console.log(arr);
- </script>
- </body>
- </html>
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