Pulls out the callback function in setRequestHeader. Also renames the regexp so that...

diff --git a/src/ajax.js b/src/ajax.js
index 790585d..e6c9ac8 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -15,7 +15,10 @@ var r20 = /%20/g,
        rselectTextarea = /^(?:select|textarea)/i,
        rspacesAjax = /\s+/,
        rts = /([?&])_=[^&]*/,
-       rucWord = /(^|\-)([a-z])/g,
+       rucHeaders = /(^|\-)([a-z])/g,
+       rucHeadersFunc = function( _, $1, $2 ) {
+               return $1 + $2.toUpperCase();
+       },
        rurl = /^([\w\+\.\-]+:)\/\/([^\/?#:]*)(?::(\d+))?/,
 
        // Keep a copy of the old load method
@@ -402,9 +405,7 @@ jQuery.extend({
                                // Caches the header
                                setRequestHeader: function( name, value ) {
                                        if ( !state ) {
-                                               requestHeaders[ name.toLowerCase().replace( rucWord, function( _, $1, $2 ) {
-                                                       return $1 + $2.toUpperCase();
-                                               } ) ] = value;
+                                               requestHeaders[ name.toLowerCase().replace( rucHeaders, rucHeadersFunc ) ] = value;
                                        }
                                        return this;
                                },