Array
构造器
js
const arr = new Array();
静态方法
- isArray
- from
js
const set = new Set();
Array.isArray(set); //returns false
Array.from(set); //returns []
实例属性
- length
js
const arr = [];
arr.length; //returns 0
实例方法
返回的不是数组
- at
- forEach
- includes
- push、pop
- shift、unshift
- find、findLast
- findIndex、findLastIndex
- indexOf、lastIndexOf
- some、every
- reduce、reduceRight
- join
- entries
返回新数组
- splice
- slice
- filter
- map
- from
- flat、flatMap
- concat
返回原数组
- sort
- reverse
- copyWithin