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javascript入门笔记（5）——window

来源：互联网发布：便笺元数据损坏的原因编辑：程序博客网时间：2024/06/03 17:52

window

- window
  - global object
  - document
    - document model
  - javascript in html
  - event
    - body
      - - onLoad
      - - onUnload
  - simple dialog
  - status
  - timer
  - openclose
  - moveTo
  - location

global object

window is browser’s global object.

all global augments is window’s member

e.g:

var a = 12;alert(window.a);//12

document

windows.document is html page.
document.write() writes content into page.
elements like >html> are all members of document.

document model

enter image description here

javascript in html

< script> < /script>
< script src=”tut.js”>< /script>
in the event handler of an element

event

< p onMouseOver = "alert('hi');" onMouseOut="alert('bye');">

body

- onLoad

- onUnload

simple dialog

alert() // ok
confirm() //yes or no
prompt() //type in

status

< p onMouseOver = "status='go';" onMouseOut="status='';">

timer

setInterval();

<body onload = "setInterval('update()',1000);";

open\close

w = window.open(“a.html”,”a”,”width = 400,height=500”);
w.close;
window.close();

moveTo()

w.moveTo(0 ,0)

location

indicates the URL

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便笺元数据损坏的原因

便笺元数据损坏的原因

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