由于 Microsoft AJAX Library 对于 JavaScript 进行了大幅扩展, 枚举这个常用的功能当然也被加进去了, 本次就是来探讨 JavaScript 的枚举功能。 由于范例很简单, 所以直接看 HTML 标签就 OK 了 复制代码 代码如下: <BR> Type.registerNamespace("BaoBeiMe"); <BR> //注册一个枚举 <BR> BaoBeiMe.EnumDepartment = function() { } BaoBeiMe.EnumDepartment.prototype = { One: "信息部", Two: "业务部", Three: "财务部", Four: "研发部" } BaoBeiMe.EnumDepartment.registerEnum("BaoBeiMe.EnumDepartment"); function Button1_onclick() { var enumDepartment = new BaoBeiMe.EnumDepartment(); var lblMsg = $get(''); lblMsg.innerText = "One 是 " + enumDepartment.One + " , " + "Two 是 " + enumDepartment.Two + " , " + "Three 是 " + enumDepartment.Three + " , " + "Four 是 " + enumDepartment.Four + " "; } onclick="return Button1_onclick()" /> 结果