window：navigator 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since 2015年7月.
只读属性 Window.navigator 会返回一个 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。
值
一个 navigator 对象。
示例
示例 1：检测浏览器并返回浏览器名称字符串
js
function getBrowserName(userAgent) { // 此处顺序很重要，并且对于未列出的浏览器，这可能会报错。 if (userAgent.includes("Firefox")) { // "Mozilla/5.0 (X11; Linux i686; rv:104.0) Gecko/20100101 Firefox/104.0" return "Mozilla Firefox"; } else if (userAgent.includes("SamsungBrowser")) { // "Mozilla/5.0 (Linux; Android 9; SAMSUNG SM-G955F Build/PPR1.180610.011) AppleWebKit/537.36 (KHTML, like Gecko) SamsungBrowser/9.4 Chrome/67.0.3396.87 Mobile Safari/537.36" return "Samsung Internet"; } else if (userAgent.includes("Opera") || userAgent.includes("OPR")) { // "Mozilla/5.0 (Macintosh; Intel Mac OS X 12_5_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36 OPR/90.0.4480.54" return "Opera"; } else if (userAgent.includes("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" return "Microsoft Edge (Legacy)"; } else if (userAgent.includes("Edg")) { // "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36 Edg/104.0.1293.70" return "Microsoft Edge (Chromium)"; } else if (userAgent.includes("Chrome")) { // "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36" return "Google Chrome 或 Chromium"; } else if (userAgent.includes("Safari")) { // "Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6 Mobile/15E148 Safari/604.1" return "Apple Safari"; } else { return "未知"; } } const browserName = getBrowserName(navigator.userAgent); console.log(`你正在使用 ${browserName} 浏览器`); 规范
| Specification |
|---|
| HTML # dom-navigator |