SharePoint 前端开发常用的对象之_spPageContextInfo

_spPageContextInfo {
    [functions]: ,
    　　 alertsEnabled: false,
        allowSilverlightPrompt: "True",
        clientServerTimeDelta: -447,
        crossDomainPhotosEnabled: false,
        currentCultureName: "en-US",
        currentLanguage: 2052,
        currentUICultureName: "zh-CN",
        isAppWeb: false,
        isSiteAdmin: true,
        layoutsUrl: "_layouts/15",
        pageItemId: 1,
        pageListId: "{20b11cdc-7008-4c2f-89d6-d7c2ad57cca0}",
        pagePersonalizationScope: 1,
        ProfileUrl: "http://moss:80/my/Person.aspx",
        serverRequestPath: "/SitePages/主页.aspx",
        siteAbsoluteUrl: "http://moss",
        siteClientTag: "13$$16.0.4327.1000",
        siteServerRelativeUrl: "/",
        systemUserKey: "S-1-0-0",
        tenantAppVersion: "0",
        updateFormDigestPageLoaded: [date] Fri Feb 1 15: 59: 00 UTC + 0800 2019,
        userId: 1073741823,
        userLoginName: "SHAREPOINT\system",
        webAbsoluteUrl: "http://moss",
        webLanguage: 2052,
        webLogoUrl: "_layouts/15/images/siteicon.png",
        webPermMasks: {},
        webServerRelativeUrl: "/",
        webTemplate: "1",
        webTitle: "开发网站",
        webUIVersion: 15
}

　　var siteUrl = _spPageContextInfo.webAbsoluteUrl;