ScriptEase ECMAScript DOM Document Object Model BOM Browser
JS 基本语法Trident Gecko Webkit Presto console log document write src // /**/
变量和常量var undefined , class int float GET SET const
数据类型number string boolean null undefined Object Function Number String Boolean Date Error ture false charCodeAt() \u \u4e00 \u9fa5 \n \r \t \ \’ \”
数据类型转换typeof() string number Boolean object function undefined toString() parseInt() parseFloat() Number()
运算符与表达式typeof instanceof void delete isNaN()
函数Function Method Procedure function return var decodeURI() decodeURIComponent() encodeURI() encodeURIComponent() eval() isFInite() isNaN() pareFloat() parstInt()
分支结构-1if else true false
分支结构-2switch case default break
循环结构-1while break do
循环结构-2for break continue