Window.navigator
The Window.navigator
read-only property returns a reference to the Navigator
object, which can be queried for information about the application running the script.
Syntax
JavaScript
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navigatorObject<code> = window.navigator</code>
Examples
Example #1: Browser detect and return a string
JavaScript
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var sBrowser, sUsrAg = navigator.userAgent; if(sUsrAg.indexOf("Chrome") > -1) { sBrowser = "Google Chrome"; } else if (sUsrAg.indexOf("Safari") > -1) { sBrowser = "Apple Safari"; } else if (sUsrAg.indexOf("Opera") > -1) { sBrowser = "Opera"; } else if (sUsrAg.indexOf("Firefox") > -1) { sBrowser = "Mozilla Firefox"; } else if (sUsrAg.indexOf("MSIE") > -1) { sBrowser = "Microsoft Internet Explorer"; } alert("You are using: " + sBrowser);
Example #2: Browser detect and return an index
JavaScript
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function getBrowserId () { var aKeys = ["MSIE", "Firefox", "Safari", "Chrome", "Opera"], sUsrAg = navigator.userAgent, nIdx = aKeys.length - 1; for (nIdx; nIdx > -1 && sUsrAg.indexOf(aKeys[nIdx]) === -1; nIdx--); return nIdx } console.log(getBrowserId());
Specification
- HTML5
The definition of 'window.navigator' in that specification. - HTML5.1
The definition of 'window.navigator' in that specification. - WHATWG HTML Living Standard
The definition of 'window.navigator' in that specification.
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/window/navigator