aboutsummaryrefslogtreecommitdiff
path: root/files/zh-cn/web/api/headers/delete/index.html
diff options
context:
space:
mode:
Diffstat (limited to 'files/zh-cn/web/api/headers/delete/index.html')
-rw-r--r--files/zh-cn/web/api/headers/delete/index.html136
1 files changed, 136 insertions, 0 deletions
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>