Home Web Front-end JS Tutorial Detailed introduction to window and document in js

Detailed introduction to window and document in js

May 02, 2021 pm 12:04 PM
document js window

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

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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

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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

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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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(Learning video sharing: java video tutorial)

document object--represents the entire HTML document and can be used to access all elements in the page:

Object properties

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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

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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

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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

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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

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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

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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):

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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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