I think you've got a pretty good starting point. Once you get fairly decent with JavaScript, I'd like to recommend 3rd Party JavaScript http://www.amazon.com/

I think you've got a pretty good starting point. Once you get fairly decent with JavaScript, I'd like to recommend 3rd Party JavaScript http://www.amazon.com/Third-Party-JavaScript-Ben-Vinegar/dp/1617290548/ref=sr_1_1?s=books&ie=UTF8&qid=1445985347&sr=1-1&keywords=3rd+party+javascript http://www.amazon.com/Third-Party-JavaScript-Ben-Vinegar/dp/... It's a great book that taught me how to create JS widgets (think twitter feed or disqus comment widget).