一、可更改原数组的函数
1.push()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/pushhttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/push
2.pop()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/pophttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/pop
3.unshift()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/unshifthttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift
4.shift()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/shifthttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/shift
5.splice()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/splicehttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
6.sort()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/reversehttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse
二、不可更改
1.filter()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/filterhttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/filter
2.concat()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/concathttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/concat
3.slice()
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/slicehttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/slice
三、浅拷贝与深拷贝
四、夯级文档
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Arrayhttps://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array
