jQuery(document).ready(function ($){
$('#articles-drop-filter').on('change', function (e){
e.preventDefault();
var value=$('#articles-drop-filter').val();
var location=window.location.href;
var location_name='';
var location_a=location.split('?');
var url=location_a[0];
if(typeof location_a[1]!==undefined){
location_name=location_a[1];
}
console.log(location_name);
if(typeof location_name!==undefined) if(location_name!='articles-filter=' + value&&location_name!=''){
window.location.href=url + '?&articles-filter=' + value;
}});
});