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diff --git a/files/zh-cn/web/api/headers/delete/index.html b/files/zh-cn/web/api/headers/delete/index.html new file mode 100644 index 0000000000..12c52da4c0 --- /dev/null +++ b/files/zh-cn/web/api/headers/delete/index.html @@ -0,0 +1,136 @@ +--- +title: Headers.delete() +slug: Web/API/Headers/delete +translation_of: Web/API/Headers/delete +--- +<p>{{APIRef("Fetch")}}{{ SeeCompatTable() }}</p> + +<p><strong><code>delete()</code></strong> 方法可以从Headers对象中删除指定header.</p> + +<p>下列原因将会导致该方法抛出一个<span style="line-height: 19.0909080505371px;">{{jsxref("TypeError")}}:</span></p> + +<ul> + <li><span style="line-height: 19.0909080505371px;">header名在HTTP header中是不存在的.</span></li> + <li><span style="line-height: 19.0909080505371px;"><span style="line-height: 19.0909080505371px;">header被锁定了.<span style="line-height: 19.0909080505371px;"><span style="line-height: 19.0909080505371px;"></span></span></span></span></li> +</ul> + +<div class="note"> +<p style="line-height: 19.0909080505371px;"><strong>Note:</strong>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)}}.</p> +</div> + +<p style="line-height: 19.0909080505371px;"><strong style="font-size: 2.14285714285714rem; font-weight: 700; letter-spacing: -1px; line-height: 30px;">Syntax</strong></p> + +<pre class="brush: js">myHeaders.delete(name);</pre> + +<h3 id="Parameters">Parameters</h3> + +<dl> + <dt><em>name</em></dt> + <dd>需删除的HTTP header名称.</dd> +</dl> + +<h3 id="Returns">Returns</h3> + +<p>Void.</p> + +<h2 id="Example">Example</h2> + +<p>创建一个空的Headers对象:</p> + +<pre class="brush: js">var myHeaders = new Headers(); // Currently empty</pre> + +<p>可以通过append()方法添加header:</p> + +<pre class="brush: js">myHeaders.append('Content-Type', 'image/jpeg'); +myHeaders.get('Content-Type'); // Returns 'image/jpeg' +</pre> + +<p>可以通过delete()方法删除已有header:</p> + +<pre class="brush: js">myHeaders.delete('Content-Type'); +myHeaders.get('Content-Type'); // Returns null, as it has been deleted</pre> + +<h2 id="Specifications">Specifications</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">Specification</th> + <th scope="col">Status</th> + <th scope="col">Comment</th> + </tr> + <tr> + <td>{{SpecName('Fetch','#dom-headers-delete','delete()')}}</td> + <td>{{Spec2('Fetch')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="Browser_compatibility">Browser compatibility</h2> + +<p>{{ CompatibilityTable() }}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari (WebKit)</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{ CompatChrome(42) }}<br> + {{ CompatChrome(41) }} behind pref<br> + </td> + <td>{{ CompatGeckoDesktop(39)}}<br> + 34 behind pref</td> + <td>{{ CompatNo }}</td> + <td> + <p>29<br> + 28 behind pref</p> + </td> + <td>{{ CompatNo }}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>Firefox OS (Gecko)</th> + <th>IE Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + <th>Chrome for Android</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + <td>{{ CompatNo }}</td> + </tr> + </tbody> +</table> +</div> + +<h2 id="See_also">See also</h2> + +<ul> + <li><a href="/en-US/docs/Web/API/ServiceWorker_API">ServiceWorker API</a></li> + <li><a href="/en-US/docs/Web/HTTP/Access_control_CORS">HTTP access control (CORS)</a></li> + <li><a href="/en-US/docs/Web/HTTP">HTTP</a></li> +</ul> |