Standard
HTML, CSS, JS standards are the best choice when you want to think about the long term, maybe they are English, but we also have to overcome it, look more familiar, these three content in the standard is explained in great detail, to help you understand these three languages, for you want to go deep in the front-end domain. Please keep in mind W3C and JavaScript international standards.
HTML
html.spec.whatwg.org/multipage/
CSS
Standards after CSS2 do not have a complete documentation, more scattered, can be searched at www.w3.org/TR/?tag=css, CSS2 www.w3.org/TR/2011/REC…
JS
www.ecma-international.org/publication…
Knowledge map
Spent quite a long time to sort out the front-end knowledge graph, in the process of sorting out is very meaningful, just for reference, we can start to sort out their own front-end knowledge system, come on
