JavaScript 也称 ECMAScript as "JavaScript" It is designed to run as a scripting language in a host environment, and it is up to the host environment to provide mechanisms机制 for communicating with the outside world. The most common host environment
尚学堂Java EE软件工程师认证考试 试题库-选择题 一. 选择题(包括单选和双选) 1.B 在JavaScript中,以下变量命名非法的是( )(选择一项) A. numb_1 B. 2numb C. sum D. de2$f 2.C 假设今天是2006年4月1日星期六,请问以下javascript代码输出结果是( )(选择一项) var time = new Date( ); document.write(time.getDate( )); A. 2006 B. 4
前言 本章我们要讲解的是S.O.L.I.D五大原则JavaScript语言实现的第2篇,开闭原则OCP(The Open/Closed Principle ). 开闭原则的描述是: Software entities (classes, modules, functions, etc.) should be open for extension but closed for modification. 软件实体(类,模块,方法等等)应当对扩展开放,对修改关闭,即软件实体应当在不修改的前提下扩展.