Clear empty GET parameters

clear_get.js

var $button = $('.js-filter-button');

$button.on('click', function(event) {
    event.preventDefault();
    
    var $this = $(this);
    var $form = $this.closest('form');
    var emptyTextBoxes = $form.find('input:text, input:radio, input:checkbox, select').filter(function() {
        return this.value == "";
    });
    
    emptyTextBoxes.each(function() {
        var $this = $(this);
        if ($this.val() == '') {
            $this.attr('disabled', true);
        }
    });
    
    $form.submit();
});