hasOwnProperty的具体实例

by kixi

HTML

hasOwnProperty的具体实例

CSS

/*
清晰网
kixi.com.cn
从javascript开始
*/

JavaScript

function siteAdmin(nickName, siteName) {
    this.nickName = nickName;
    this.siteName = siteName;
}
siteAdmin.prototype.showAdmin = function () {
    alert(this.nickName + "是" + this.siteName + "的站长!")
};
siteAdmin.prototype.showSite = function (siteUrl) {
    this.siteUrl = siteUrl;
    return this.siteName + "的地址是" + this.siteUrl;
};
var matou = new siteAdmin("清晰网", "从javascript出发");
var matou2 = new siteAdmin("愚人码头", "从javascript出发");
matou.age = "30";

alert(matou.hasOwnProperty("nickName")); //true
alert(matou.hasOwnProperty("age")); //true

alert(matou.hasOwnProperty("showAdmin")); //false
alert(matou.hasOwnProperty("siteUrl")); //false

alert(siteAdmin.prototype.hasOwnProperty("showAdmin")); //true
alert(siteAdmin.prototype.hasOwnProperty("siteUrl")); //false