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Detailed introduction to window and document in js

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Release: 2021-05-02 12:04:16
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Detailed introduction to window and document in js

First let’s take a look at window, which represents an open window in the browser.

Object properties

  window //窗口自身
  window.self //引用本窗户window=window.self
  window.name //为窗口命名
  window.defaultStatus //设定窗户状态栏信息
  window.location //URL地址,配备布置这个属性可以打开新的页面
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Object methods

  window.alert("text") //提示信息会话框
  window.confirm("text") //确认会话框
  window.prompt("text") //要求键盘输入会话框
  window.setIntervel("action",time) //每一隔指定的时间(毫秒)就执行一次操作
  window.clearInterval() //清除时间配备布置作用就是终止轮回
  window.setTimeout(action,time) //隔了指定的时间(毫秒)执行一次操作
  window.open() //打开新的窗口
  window.close() //关闭窗口
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Member objects

  window.event
  window.document //见document对象详解
  window.history
  window.screen
  window.navigator
  window.external
  -------------------------------------------------- -------------------
  window.history对象
  window.history.length //浏览过的页面数
  history.back() //后退
  history.forward() //前进
  history.go(i) //前进或后退到历史记录的第i个页面
  //i>0进步,i<0 后退
    ------------------------------------------------- -------------------
  window.screen对象
     window.screen.width //屏幕宽度
  window.screen.height //屏幕高度
  window.screen.colorDepth //屏幕色深
  window.screen.availWidth //可用宽度
  window.screen.availHeight //可用高度(除去任务栏的高度)
  -------------------------------------------------- -------------------
  window.external对象
  window.external.AddFavorite("地址","标题" ) //把网站新增到保藏夹
  -------------------------------------------------- -------------------
  window.navigator对象
  window.navigator.appCodeName //浏览器代码名
  window.navigator.appName //浏览器应用程序名
  window.navigator.appMinorVersion //浏览器补丁版本
  window.navigator.cpuClass //cpu类型 x86
  window.navigator.platform //操作体系类型 win32
  window.navigator.plugins
  window.navigator.opsProfile
  window.navigator.userProfile
  window.navigator.systemLanguage //客户体系语言 zh-cn简体中文
  window.navigator.userLanguage //用户语言,同上
  window.navigator.appVersion //浏览器版本
  window.navigator.userAgent
  window.navigator.onLine //用户否在线
  window.navigator.cookieEnabled //浏览器是否撑持cookie
  window.navigator.mimeTypes
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document object--represents the entire HTML document and can be used to access all elements in the page:

Object properties

document.title                 //设置文档标题等价于HTML的
document.bgColor               //设置页面背景色
document.fgColor               //设置前景色(文本颜色)
document.linkColor             //未点击过的链接颜色
document.alinkColor            //激活链接(焦点在此链接上)的颜色
document.vlinkColor            //已点击过的链接颜色
document.URL                   //设置URL属性从而在同一窗口打开另一网页
document.fileCreatedDate       //文件建立日期,只读属性
document.fileModifiedDate      //文件修改日期,只读属性
document.fileSize              //文件大小,只读属性
document.cookie                //设置和读出cookie
document.charset               //设置字符集 简体中文:gb2312
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Common object methods

document.write()                      //动态向页面写入内容
document.createElement_x(Tag)           //创建一个html标签对象
document.getElementByIdx_x(ID)           //获得指定ID值的对象
document.getElementsByName(Name)      //获得指定Name值的对象
document.body.appendChild(oTag)
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body-body sub-object

document.body                   //指定文档主体的开始和结束等价于
document.body.bgColor           //设置或获取对象后面的背景颜色
document.body.link              //未点击过的链接颜色
document.body.alink             //激活链接(焦点在此链接上)的颜色
document.body.vlink             //已点击过的链接颜色
document.body.text              //文本色
document.body.innerText         //设置...之间的文本
document.body.innerHTML         //设置...之间的HTML代码
document.body.topMargin         //页面上边距
document.body.leftMargin        //页面左边距
document.body.rightMargin       //页面右边距
document.body.bottomMargin      //页面下边距
document.body.background        //背景图片
document.body.appendChild(oTag) //动态生成一个HTML对象
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Common object events

document.body.οnclick="func()"              //鼠标指针单击对象是触发
document.body.οnmοuseοver="func()"          //鼠标指针移到对象时触发
document.body.οnmοuseοut="func()"           //鼠标指针移出对象时触发
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location-location sub-object

document.location.hash          // #号后的部分
document.location.host          // 域名+端口号
document.location.hostname      // 域名
document.location.href          // 完整URL
document.location.pathname      // 目录部分
document.location.port          // 端口号
document.location.protocol      // 网络协议(http:)
document.location.search        // ?号后的部分
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Common object events

documeny.location.reload()          //刷新网页
document.location.reload(URL)       //打开新的网页
document.location.assign(URL)       //打开新的网页
document.location.replace(URL)      //打开新的网页
========================================================================
selection-选区子对象
document.selection
========================================================================
images集合(页面中的图象):
----------------------------
a)通过集合引用
document.images                 //对应页面上的标签
document.images.length          //对应页面上标签的个数
document.images[0]              //第1个标签          
document.images[i]              //第i-1个标签
----------------------------
b)通过nane属性直接引用
document.images.oImage          //document.images.name属性
----------------------------
c)引用图片的src属性
document.images.oImage.src      //document.images.name属性.sr
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