Window: navigator property

BaselineWidely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

TheWindow.navigator read-only property returns areference to theNavigator object, which has methods and properties aboutthe application running the script.

Value

Thenavigator object.

Examples

Example 1: Browser detect and return a string

function getBrowserName(userAgent) {  // The order matters here, and this may report false positives for unlisted browsers.  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 or 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";  }  return "unknown";}const browserName = getBrowserName(navigator.userAgent);console.log(`You are using: ${browserName}`);