card/merchant/assets/js/slider.js

(function($) {
    "use strict";

	$( "#mySlider" ).slider({
		range: true,
		min: 10,
		max: 999,
		values: [ 200, 500 ],
		slide: function( event, ui ) {
			$( "#price" ).val( "$" + ui.values[ 0 ] + " - $" + ui.values[ 1 ] );
		}
	});

	$( "#price" ).val( "$" + $( "#mySlider" ).slider( "values", 0 ) +
			   " - $" + $( "#mySlider" ).slider( "values", 1 ) );
})(jQuery);