YouDon'tKnowJS全套六本带目录，神书不解释！01_You_Don't_Know_JS_Up_&_Going；02_You_Don't_Know_JS_Scope_&_Closures；03_You_Don't_Know_JS_this_&_Object_Prototypes；04_You_Don't_Know_JS_Types_&_Grammar；05_You_Don't_Know_JS_Async_&_Performance；06_You_Don't_Know_JS_ES6_&_Beyond。