Lint fixes.

1 files changed, 5 insertions, 4 deletions

diff --git a/ui/jquery.ui.button.js b/ui/jquery.ui.button.js
index 701cb44d8..f84d748cf 100644
--- a/ui/jquery.ui.button.js
+++ b/ui/jquery.ui.button.js
@@ -186,7 +186,7 @@ $.widget( "ui.button", {
 					if ( options.disabled ) {
 						return false;
 					}
-					if ( event.keyCode == $.ui.keyCode.SPACE || event.keyCode == $.ui.keyCode.ENTER ) {
+					if ( event.keyCode === $.ui.keyCode.SPACE || event.keyCode === $.ui.keyCode.ENTER ) {
 						$( this ).addClass( "ui-state-active" );
 					}
 				})
@@ -212,6 +212,7 @@ $.widget( "ui.button", {
 	},
 
 	_determineButtonType: function() {
+		var ancestor, labelSelector, checked;
 
 		if ( this.element.is(":checkbox") ) {
 			this.type = "checkbox";
@@ -226,8 +227,8 @@ $.widget( "ui.button", {
 		if ( this.type === "checkbox" || this.type === "radio" ) {
 			// we don't search against the document in case the element
 			// is disconnected from the DOM
-			var ancestor = this.element.parents().last(),
-				labelSelector = "label[for='" + this.element.attr("id") + "']";
+			ancestor = this.element.parents().last();
+			labelSelector = "label[for='" + this.element.attr("id") + "']";
 			this.buttonElement = ancestor.find( labelSelector );
 			if ( !this.buttonElement.length ) {
 				ancestor = ancestor.length ? ancestor.siblings() : this.element.siblings();
@@ -238,7 +239,7 @@ $.widget( "ui.button", {
 			}
 			this.element.addClass( "ui-helper-hidden-accessible" );
 
-			var checked = this.element.is( ":checked" );
+			checked = this.element.is( ":checked" );
 			if ( checked ) {
 				this.buttonElement.addClass( "ui-state-active" );
 			}