type表示使用脚本语言的类型。...
<script...不能把关键字,保留字等用作标识符。...finally,for,function,if,in,
instanceof,new,return,switch,this,throw,try,
typeof,var,void,while,with,
保留字...:
abstract,enum,int,short,
boolean,export,interfacee,static,
byte,char,class,const,double,
extends,final