I have a couple questions.. What benefits do you get from knowing javascript or jquery? I know for javascript, you can use it for website creating but if I should learn one, javascript or jquery, which one should I learn (first)? I am / want to be a web and app developer. I had a job interview recently and I told them that I am currently reading a textbook to learn javascript and they recommended learning Jquery so I was wondering, is it the same thing? I've google'd around and people said Javscript is the actual language while Jquery is 'libraries' or whatever, im wondering which one would be more useful for me to know when it comes to developing websites and web applications?