javascript - 数组reverse()后再join()的问题?

Question

为什么数组在reverse()后再join()后有两种情况？

var x=['l','o','v','e']
x.reverse().join();   // 'e,v,o,l'
x.reverse().join('')  // 'love'

这是什么原因？

Answer 1

javascript - What is the problem with array reverse() and then join()? - PHP Chinese website Q&A -javascript - What is the problem with array reverse() and then join()? - PHP Chinese website Q&A

Take a look around Oh, study it.

Answer 2