Javascript is one of the most popular web programming languages in the world. It will continue to stay relevant to the web for quite a long time. Web applications are increasingly being created and used on both desktop and mobile, and with the ongoing innovation on Javascript, it will only get better and more useful for a rising community of its users all around the globe.
Being such a poweful language, support is a must, and people seem to be more interested to both replying and learning from forums and dicussion boards. Jobs for Javascript developers do pay quite a lot, with an average annual salary of around $90k and up to $125k for full-stack developers of Javascript.