{"json_modified": "2016-08-31T23:31:06.088972", "uuid": "410a07ec-2f64-48c3-9248-cf1de4d640b3", "title": "Headers()", "url": "/en-US/docs/Web/API/Headers/Headers", "tags": ["API", "Fetch", "Constructor", "Reference", "Experimental", "R\u00e9f\u00e9rence", "Exp\u00e9rimental"], "translations": [{"uuid": "17c878f0-1d25-4f0d-906d-8756781b373a", "title": "Headers()", "url": "/zh-CN/docs/Web/API/Headers/Headers", "tags": ["headers", "Headers", "Headers\u6784\u9020\u51fd\u6570"], "summary": "<code>\u4f7f\u7528<strong>Headers()</strong></code> \u6784\u9020\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684<a href=\"/zh-CN/docs/Web/API/Headers\" title=\"Fetch API&#xA0;&#x7684;Headers&#x7C7B;&#x5141;&#x8BB8;&#x4F60;&#x53BB;&#x5BF9;HTTP request&#x548C;response headers&#x6267;&#x884C;&#x5404;&#x79CD;&#x64CD;&#x4F5C;&#x3002;&#xA0;&#x8FD9;&#x4E9B;&#x64CD;&#x4F5C;&#x5305;&#x62EC;&#xFF1A;&#x68C0;&#x7D22;, &#x8BBE;&#x7F6E;, &#x6DFB;&#x52A0;&#x548C;&#x5220;&#x9664;&#x3002;&#xA0;&#x4E00;&#x4E2A;Headers&#x7C7B;&#x91CC;&#x5305;&#x542B;&#x4E00;&#x4E2A;header&#x5217;&#x8868;, &#x5B83;&#x7684;&#x521D;&#x59CB;&#x503C;&#x4E3A;&#x7A7A;&#x6216;&#x8005;&#x662F;&#x96F6;&#x4E2A;&#x6216;&#x591A;&#x4E2A;&#x952E;&#x503C;&#x5BF9;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#xA0;append()&#x65B9;&#x6CD5;&#x6DFB;&#x52A0; (&#x89C1;&#xA0;Examples&#x3002;)&#xA0;&#x8FD9;&#x4E2A;&#x7C7B;&#x4E2D;&#x6240;&#x6709;&#x7684;&#x65B9;&#x6CD5;, &#x5176; header&#x7684;&#x540D;&#x5B57;&#x987A;&#x5E8F;&#x5339;&#x914D;&#x5E76;&#x4E0D;&#x533A;&#x5206;&#x5927;&#x5C0F;&#x5199;&#x3002;\"><code>Headers</code></a> \u5bf9\u8c61.", "localization_tags": [], "locale": "zh-CN", "last_edit": "2016-08-31T23:30:59", "review_tags": []}], "modified": "2016-08-15T21:05:03", "label": "Headers()", "localization_tags": [], "locale": "en-US", "id": 144241, "last_edit": "2016-02-10T04:22:59", "summary": "The <code><strong>Headers()</strong></code> constructor creates a new <a href=\"/en-US/docs/Web/API/Headers\" title=\"The Headers interface of the Fetch API&#xA0;allows you to perform various actions on HTTP request and response headers. These actions include retrieving, setting, adding to, and removing. A Headers object has an associated header list, which is initially empty and consists&#xA0;of zero or more name and value pairs. &#xA0;You can add to this using methods like append() (see Examples.)&#xA0;In all methods of this interface, header names are matched by case-insensitive byte sequence.\"><code>Headers</code></a> object.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/Headers/Headers", "review_tags": []}