Hiring people listing themselves on what appears to be a beginners'/tutorial site? Not sure of the targeting there.
http://www.jsclasses.org/browse/
The JSClasses site is derived from the PHPClasses site which has about 1 million registered users after 12 years of age. The JSClasses site was just started last year.
The PHPClasses professionals section was started in 2007. It has over 11,000 registered professionals looking for jobs. The PHPClasses jobs board was started in 2008.
http://www.phpclasses.org/jobs/
Just give it time to grow and sign-up if you are looking for JavaScript jobs, as there are already a few posted there.