📅  最后修改于: 2022-03-11 15:04:21.450000             🧑  作者: Mango
/*
Free beginner courses for HTML and CSS are at freeCodeCamp.org and MDN.io.
Courses for JavaScript that aren't free but useful are Wes Bos's Beginner JavaScript videos and Jon Duckett's JavaScript & Jquery book.
Free study groups and group collaboration projects are at w3Develops.org.
*/