--- 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 ]; ```