Difference between .split(/\s+/) and .split(“ ”)?

Question

:) First of all, sorry my bady english :p I was taking a look to the next js code fragment:

var classes = element.className.split(/\\s+/);

That c

Answer 1

The difference between .split(" ") and .split(/\s+/) is:

The regex " "

• Match the space character literally.

The regex /\s+/

• Match a single whitespacecharacter (tab, line feed, carriage return, vertical tab, form feed) between one and unlimmited times. (greedy)

---

Short:

" "   splits the array at one single space character.
/\s/ splits the array at every kind of whitespace character
+      Matches between one and unlimitted times