TecaSoft-记录一些必须知道的知识

Part 1 Core JavaScript  Chapter 2. Lexical Structure 2.1 Character Set  JavaScript programs are written using the Unicode character set. 2.2 Case Sensitivity 2.3. Whitespace and Line Breaks      JavaS...

3.13. Primitive Datatype Wrapper Objects each of the three key primitive datatypes has wrapper , that cantains the save primitive data value, but it also defines properties and mathods. when you try ...

新建一层, 按F9,加上this.setMask(mascara);