查看变量是否是使用JavaScript的数组

Question

  

可能重复：
  How do you check if a variable is an array in JavaScript ?
  What is the best way to check if an object is an array or not in Javascript?

如何判断javascript变量是否为数组？

Answer 1

从昨天开始：What is the best way to check if an object is an array or not in Javascript?