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lines changed Original file line number Diff line number Diff line change 11---
2- title : Document. defaultView
2+ title : Document: defaultView 属性
33slug : Web/API/Document/defaultView
4+ l10n :
5+ sourceCommit : 0a881eea07f0cec6ca4ed85a24af43b367a9f80d
46---
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6- {{ ApiRef() }}
8+ {{ApiRef}}
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8- ### 概述
10+ 在浏览器中, ** ` document.defaultView ` ** 返回与{{Glossary("Browsing_context", "文档")}}关联的 {{domxref("Window", "window")}} 对象,如果没有可用的对象,则返回 ` null ` 。
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10- 在浏览器中,该属性返回当前 ` document ` 对象所关联的 [ ` window ` ] ( /zh-CN/DOM/window ) 对象,如果没有,会返回 ` null ` 。
12+ 该属性是只读的 。
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12- ### 语法
14+ ## 值
1315
14- ``` plain
15- var win = document.defaultView;
16- ```
16+ {{domxref("Window", "window")}} 对象。
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18- 该属性只读。
18+ ## 规范
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20- ### 备注
20+ {{Specifications}}
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22- 根据 [ quirksmode ] ( http://www.quirksmode.org/dom/w3c_html.html ) ,IE 9 以下版本不支持 ` defaultView ` 。
22+ ## 浏览器兼容性
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24- ### 规范
25-
26- - [ HTML5: defaultView] ( /zh-CN/HTML/HTML5 )
27- - [ DOM Level 2 Views: defaultView] ( http://www.w3.org/TR/DOM-Level-2-Views/views.html#Views-DocumentView-defaultView )
28- - [ DOM Level 3 Views] ( http://www.w3.org/TR/DOM-Level-3-Views/ ) (Only developed to Working Group Note and not implemented)
24+ {{Compat}}
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