Merge pull request jquery#207 from eikes/bug-5945

Button: stop disabled button from firing click events. fixes #5945.

Author: scottgonzalez

ui/jquery.ui.button.js

@@ -103,6 +103,11 @@ $.widget( "ui.button", {
 			})
 			.bind( "blur.button", function() {
 				$( this ).removeClass( focusClass );
+			})
+			.bind( "click.button", function( event ) {
+				if ( options.disabled ) {
+					event.stopImmediatePropagation();
+				}
 			});
 
 		if ( toggleButton ) {