var a = {};
1. a instanceof Array
2.a.consturctor ==Array
3.Object.prototype.toString.call(a) =='[Object Arral]'
本文共 166 字,大约阅读时间需要 1 分钟。
var a = {};
1. a instanceof Array
2.a.consturctor ==Array
3.Object.prototype.toString.call(a) =='[Object Arral]'
转载于:https://www.cnblogs.com/emma-zhao/p/10687396.html