How do I get the YouTube video ID from a URL?

Question

I want to get the v=id from YouTube’s URL with JavaScript (no jQuery, pure JavaScript).

Example YouTube URL formats

http://www.youtube.c

Answer 1

Well, the way to do it with simple parsing would be: get everything starting after the first = sign to the first & sign.

I think they had a similiar answer here:

Parsing a Vimeo ID using JavaScript?