Slider: Remove range div when changing range option to false. Fixes #…

…9355 - Slider: Changing range option to false does not remove range div.

tests/unit/slider/slider_options.js

@@ -200,7 +200,7 @@ test( "values", function() {
 });
 
 test( "range", function() {
-	expect( 27 );
+	expect( 33 );
 	var range;
 
 	// min
@@ -300,6 +300,21 @@ test( "range", function() {
 	equal( element.slider( "option", "values" ), null, "values" );
 	deepEqual( element.slider( "values" ), [] , "values" );
 	element.slider( "destroy" );
+
+	// Change range from true to false
+	element = $( "<div></div>" ).slider({
+		range: true,
+		min: 1,
+		max: 10,
+		step: 1
+	}).slider( "option", "range", false );
+	equal( element.find( ".ui-slider-handle" ).length, 2, "range switch from true to false, both handles remain" );
+	equal( element.find( ".ui-slider-range" ).length, 0, "range switch from true to false" );
+	equal( element.slider( "option", "value" ), 0 , "option value" );
+	equal( element.slider( "value" ), 1 , "value" );
+	deepEqual( element.slider( "option", "values" ), [1, 1], "option values" );
+	deepEqual( element.slider( "values" ), [1, 1], "values" );
+	element.slider( "destroy" );
 });
 
 })( jQuery );

ui/jquery.ui.slider.js

@@ -131,7 +131,10 @@ $.widget( "ui.slider", $.ui.mouse, {
 			this.range.addClass( classes +
 				( ( options.range === "min" || options.range === "max" ) ? " ui-slider-range-" + options.range : "" ) );
 		} else {
-			this.range = $([]);
+			if ( this.range ) {
+				this.range.remove();
+			}
+			this.range = null;
 		}
 	},
 
@@ -145,7 +148,9 @@ $.widget( "ui.slider", $.ui.mouse, {
 
 	_destroy: function() {
 		this.handles.remove();
-		this.range.remove();
+		if ( this.range ) {
+			this.range.remove();
+		}
 
 		this.element
 			.removeClass( "ui-slider" +