From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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 files/zh-cn/web/api/window/navigator/index.html | 94 +++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
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(limited to 'files/zh-cn/web/api/window/navigator')

diff --git a/files/zh-cn/web/api/window/navigator/index.html b/files/zh-cn/web/api/window/navigator/index.html
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+---
+title: window.navigator
+slug: Web/API/Window/navigator
+tags:
+  - API
+  - Window
+  - 只读属性
+  - 属性
+translation_of: Web/API/Window/navigator
+---
+<div>{{ApiRef}}</div>
+
+<p>只读属性 <strong><code>Window.navigator</code></strong> 会返回一个 {{domxref("Navigator")}} 对象的引用，可以用于请求运行当前代码的应用程序的相关信息。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>navigatorObject</em> = window.navigator</pre>
+
+<h2 id="例子">例子</h2>
+
+<h3 id="例子_1：检测浏览器并返回浏览器名称字符串">例子 #1：检测浏览器并返回浏览器名称字符串</h3>
+
+<pre class="brush: js">var sBrowser, sUsrAg = navigator.userAgent;
+
+// The order matters here, and this may report false positives for unlisted browsers.
+
+if (sUsrAg.indexOf("Firefox") &gt; -1) {
+  sBrowser = "Mozilla Firefox";
+  // "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0"
+} else if (sUsrAg.indexOf("Opera") &gt; -1 || sUsrAg.indexOf("OPR") &gt; -1) {
+  sBrowser = "Opera";
+  //"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 OPR/57.0.3098.106"
+} else if (sUsrAg.indexOf("Trident") &gt; -1) {
+  sBrowser = "Microsoft Internet Explorer";
+  // "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; Zoom 3.6.0; wbx 1.0.0; rv:11.0) like Gecko"
+} else if (sUsrAg.indexOf("Edge") &gt; -1) {
+  sBrowser = "Microsoft Edge";
+  // "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36 Edge/16.16299"
+} else if (sUsrAg.indexOf("Chrome") &gt; -1) {
+  sBrowser = "Google Chrome or Chromium";
+  // "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/66.0.3359.181 Chrome/66.0.3359.181 Safari/537.36"
+} else if (sUsrAg.indexOf("Safari") &gt; -1) {
+  sBrowser = "Apple Safari";
+  // "Mozilla/5.0 (iPhone; CPU iPhone OS 11_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/11.0 Mobile/15E148 Safari/604.1 980x1306"
+} else {
+  sBrowser = "unknown";
+}
+
+alert("当前浏览器为: " + sBrowser);
+</pre>
+
+<h3 id="例子_2：检测浏览器并返回代表当前浏览器的索引数字">例子 #2：检测浏览器并返回代表当前浏览器的索引数字</h3>
+
+<pre class="brush: js">function getBrowserId () {
+  var aKeys = ["MSIE", "Firefox", "Safari", "Chrome", "Opera"],
+      sUsrAg = navigator.userAgent,
+      nIdx = aKeys.length - 1;
+
+  for (nIdx; nIdx &gt; -1 &amp;&amp; sUsrAg.indexOf(aKeys[nIdx]) === -1; nIdx--);
+
+  return nIdx;
+}
+
+console.log(getBrowserId());</pre>
+
+<h2 id="规范">规范</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">规范</th>
+   <th scope="col">状态</th>
+   <th scope="col">备注</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('HTML WHATWG', '#dom-navigator', 'Window: navigator')}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Window.navigator")}}</p>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li></li></ul>
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