28 lines
893 B
Markdown
28 lines
893 B
Markdown
|
---
|
|||
|
|
title: Create complex multi-dimensional arrays
|
|||
|
|
localeTitle: 创建复杂的多维数组
|
|||
|
|
---
|
|||
|
|
## 创建复杂的多维数组
|
|||
|
|
|
|||
|
|
* 第一个字符串 - `deep` - 必须插入三层深。这意味着正好在三组`[square-brackets]` 。
|
|||
|
|
|
|||
|
|
```javascript
|
|||
|
|
let threeLevelArray = ["first level", ["Two levels deep", ["Three levels deep"]]];
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
* 使用这种逻辑插入串`deep` ， `deeper`和`deepest`分别深处矩阵三个层次深，四个层次深，五个级别。
|
|||
|
|
|
|||
|
|
## 解：
|
|||
|
|
|
|||
|
|
```javascript
|
|||
|
|
let myNestedArray = [
|
|||
|
|
// change code below this line
|
|||
|
|
['unshift', false, 1, 2, 3, 'complex', 'nested'],
|
|||
|
|
['loop', 'shift', 6, 7, 1000, 'method'],
|
|||
|
|
['concat', false, true, 'spread', 'array',["deep"]],
|
|||
|
|
['mutate', 1327.98, 'splice', 'slice', 'push', [["deeper"]]],
|
|||
|
|
['iterate', 1.3849, 7, '8.4876', 'arbitrary', 'depth', [[["deepest"]]] ]
|
|||
|
|
// change code above this line
|
|||
|
|
];
|
|||
|
|
|
|||
|
|
```
|