Adds src/deprecated.js, test/unit/deprecated.js; -deprecated flag; Moves jQuery.browser and removes use in test/unit/ajax.js. Fixes #11965

1 files changed, 41 insertions, 0 deletions

diff --git a/src/deprecated.js b/src/deprecated.js
new file mode 100644
index 000000000..04bf5bad0
--- /dev/null
+++ b/src/deprecated.js
@@ -0,0 +1,41 @@
+// Limit scope pollution from any deprecated API
+(function() {
+
+var matched, browser;
+
+// Use of jQuery.browser is frowned upon.
+// More details: http://api.jquery.com/jQuery.browser
+// jQuery.uaMatch maintained for back-compat
+jQuery.uaMatch = function( ua ) {
+	ua = ua.toLowerCase();
+
+	var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
+		/(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+		/(opera)(?:.*version)?[ \/]([\w.]+)/.exec( ua ) ||
+		/(msie) ([\w.]+)/.exec( ua ) ||
+		ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+))?/.exec( ua ) ||
+		[];
+
+	return {
+		browser: match[ 1 ] || "",
+		version: match[ 2 ] || "0"
+	};
+};
+
+matched = jQuery.uaMatch( navigator.userAgent );
+browser = {};
+
+if ( matched.browser ) {
+	browser[ matched.browser ] = true;
+	browser.version = matched.version;
+}
+
+// Deprecated, use jQuery.browser.webkit instead
+// Maintained for back-compat only
+if ( browser.webkit ) {
+	browser.safari = true;
+}
+
+jQuery.browser = browser;
+
+})();