<a href="https:&#x2F;&#x2F;github.com&#x2F;getify&#x2F;You-Dont-Know-JS" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;getify&#x2F;You-Dont-Know-JS</a> and the associated videos where excellent.<p>Javascript: The Good Parts (though this is a bit full on if you are really just getting started).<p>Reading the source of popular libraries as well in a good IDE so you can jump around and get to where stuff is defined&#x2F;created.