es5||es6 - array
导航目录
/**
* javascript - array
*
* ES5:
* join()
* push()
* pop()
* shift()
* sort()
* concat
* slice
* indexOf()
* lastIndexOf()
* forEach()
* map()
* filter()
* every()
* some()
* reduce
* reduceRight
*
*
* ES6:
* Array.from()
* Array.of()
* Array.prototype.copyWidthin
* Array.prototype.fill
* Array.prototype.find
* Array.prototype.findIndex
* Array.prototype.keys
* Array.prototype.values
* Array.prototype.entries
* Array.prototype[Symbol.iterator]
*/