endsWith in JavaScript

Question

How can I check if a string ends with a particular character in JavaScript?

Example: I have a string

var str = \"mystring#\";

I wa

Answer 1

I don't know about you, but:

var s = "mystring#";
s.length >= 1 && s[s.length - 1] == '#'; // will do the thing!

Why regular expressions? Why messing with the prototype? substr? c'mon...