javascr ipt，编写的通用类库，包含各种指令“回车键转化为tab键”“设立学期是否符合规则”“全部选中复选框”“監察日期時間格式”“刷新父頁面”等等实用源代码，可用于学习，亦可直接调用-javascr ipt, to prepare a common class library that contains a variety of commands, Enter into a tab key set up semester with the rules all the sele