How to which slider has been dragged in a range slider of jQuery UI using it in WordPress plugin

jquery ui range slider

wp_enqueue_script( 'jquery' );
wp_enqueue_script( 'jquery-ui-core ' );
wp_enqueue_script( 'jquery-ui-slider' );

wp_register_style('my_jq_ui', '//ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/base/jquery.ui.all.css', __FILE__, false);
wp_enqueue_style('my_jq_ui');


<div id="slider-range"></div>


jQuery( "#slider-range" ).slider({
    range: true,
    step: 25000,
    //min: jQuery( "#min_budget" ).val(),
    max: 5000000, // 5m
    values: [ 0, 1000000 ],
    slide: function( event, ui ) {
        var min = jQuery( "#min_budget" ).val() || 0;
        var max = jQuery( "#max_budget" ).val() || 0;

        // if the ui.value equals one of the values we'll find out which was dragged.
        if (ui.value == ui.values[0]) {
            jQuery( "#min_budget" ).val( ui.values[ 0 ] );
        } else if (ui.value == ui.values[1]) {
            jQuery( "#max_budget" ).val( ui.values[ 1 ] );
        }
    }
});