javascript replace all

Question

JavaScript

Sometimes in the source code of some libraries written by literate people, there is a construction string.split(find).join(replaceWith);

How is this better than the usual replace?

Answer 1

As written here , it works faster through split / join than through regular expressions in replace

Answer 2

As I remember, replace replaces only the first one found, while split-join replaces everything. Although I could be wrong.

Answer 3

The reason is not speed, but compatibility.
replace() is a non-standard function.
FF2.0 didn't support it.
Now it is already in all modern versions of browsers ...

Answer 4

If you are implementing a NOT case-sensitive search and want to "highlight" the results, then the split/join combination will lose its original case. This is a minus.