From 5e843574fde6fda12f3db3d4fe864d324ff8bbfd Mon Sep 17 00:00:00 2001 From: MDN Date: Thu, 26 Aug 2021 00:43:36 +0000 Subject: [CRON] sync translated content --- files/zh-cn/web/api/headers/getall/index.html | 134 -------------------------- 1 file changed, 134 deletions(-) delete mode 100644 files/zh-cn/web/api/headers/getall/index.html (limited to 'files/zh-cn/web/api/headers/getall') diff --git a/files/zh-cn/web/api/headers/getall/index.html b/files/zh-cn/web/api/headers/getall/index.html deleted file mode 100644 index a9a2d22e59..0000000000 --- a/files/zh-cn/web/api/headers/getall/index.html +++ /dev/null @@ -1,134 +0,0 @@ ---- -title: Headers.getAll() -slug: Web/API/Headers/getAll -translation_of: Web/API/Headers/getAll ---- -

{{APIRef("Fetch")}}{{ SeeCompatTable() }}

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getAll() 方法会以数组形式返回指定header的所有值. 如果指定的header未存在,则返回一个空数组.

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Note:出于安全原因, 部分头信息只能被用户代理控制. 这些头信息包括 {{Glossary("Forbidden_header_name", "forbidden header names", 1)}}  和 {{Glossary("Forbidden_response_header_name", "forbidden response header names", 1)}}.

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Syntax

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myHeaders.getAll(name);
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Parameters

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name
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需检索的HTTP header名称. 如果HTTP header中不存在指定名称则抛出一个 {{jsxref("TypeError")}}.
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Returns

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An {{domxref("Array")}} containing a {{domxref("ByteString")}} sequence representing the values of the retrieved header.

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Example

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Creating an empty Headers object is simple:

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var myHeaders = new Headers(); // Currently empty
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You could add a header to this using {{domxref("Headers.append")}}, then retrieve it using getAll():

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myHeaders.append('Content-Type', 'image/jpeg');
-myHeaders.getAll('Content-Type'); // Returns [ "image/jpeg" ]
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If the header has multiple values associated with it, the array will contain all the values, in the order they were added to the Headers object:

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myHeaders.append('Accept-Encoding', 'deflate');
-myHeaders.append('Accept-Encoding', 'gzip');
-myHeaders.getAll('Accept-Encoding'); // Returns [ "deflate", "gzip" ]
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Note: Use {{domxref("Headers.get")}} to return only the first value added to the Headers object.

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Specifications

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SpecificationStatusComment
{{SpecName('Fetch','#dom-headers-getall','getAll()')}}{{Spec2('Fetch')}} 
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Browser compatibility

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{{ CompatibilityTable() }}

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FeatureChromeFirefox (Gecko)Internet ExplorerOperaSafari (WebKit)
Basic support{{ CompatChrome(42) }}
- {{ CompatChrome(41) }} behind pref
-  		{{ CompatGeckoDesktop(39)}}
- 34 behind pref		{{ CompatNo }} -

29
- 28 behind pref

- 		{{ CompatNo }}
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FeatureAndroidFirefox Mobile (Gecko)Firefox OS (Gecko)IE PhoneOpera MobileSafari MobileChrome for Android
Basic support{{ CompatNo }}{{ CompatNo }}{{ CompatNo }}{{ CompatNo }}{{ CompatNo }}{{ CompatNo }}{{ CompatNo }}
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See also

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