https://www.gelise.co.uk/resources/libraries/core/iframe-auto-height/jquery.browser.js

1(function( jQuery ) {
2	var matched,
3		userAgent = navigator.userAgent || "";
4
5	// Use of jQuery.browser is frowned upon.
6	// More details: http://api.jquery.com/jQuery.browser
7	// jQuery.uaMatch maintained for back-compat
8	jQuery.uaMatch = function( ua ) {
9		ua = ua.toLowerCase();
10
11		var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
12			/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
13			/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
14			/(msie) ([\w.]+)/.exec( ua ) ||
15			ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
16			[];
17
18		return {
19			browser: match[ 1 ] || "",
20			version: match[ 2 ] || "0"
21		};
22	};
23
24	matched = jQuery.uaMatch( userAgent );
25
26	jQuery.browser = {};
27
28	if ( matched.browser ) {
29		jQuery.browser[ matched.browser ] = true;
30		jQuery.browser.version = matched.version;
31	}
32
33	// Deprecated, use jQuery.browser.webkit instead
34	// Maintained for back-compat only
35	if ( jQuery.browser.webkit ) {
36		jQuery.browser.safari = true;
37	}
38
39}( jQuery ));