Delete Selected Item using ECMA

function DeleteSelectedItem() {

    var clientContext = SP.ClientContext.get_current();

    var currentlibid = SP.ListOperation.Selection.getSelectedList();

    if (currentlibid == null) {
        alert('Please select at least one item and try again.');
        window.location.href = window.location.href;
    }
    else {
        var oList = clientContext.get_web().get_lists().getById(currentlibid);
        var selectedItems = SP.ListOperation.Selection.getSelectedItems(clientContext);

        if (selectedItems == '') {
            alert('Please select at least one item and try again.');
            window.location.href = window.location.href; //window.location.reload(true);// = window.location.pathname;
        }
        else {
            if (confirm("Do you want to delete selected items?")) {
             // RecycleSelectedItems();
            /*  var myItems = '';

                for (var i in selectedItems) {

                    myItems += '|' + selectedItems[i].id;

                }
                myItems += '^' + window.parent.location.href;

clientContext.executeQueryAsync
             (
             function (sender, args) {

                 STSNavigate('/_layouts/EXP.FS.DeleteFiles/DeleteFile.aspx?Items=' + myItems);

             }
           

 

             );*/
             
           // DeleteSelectedItem();

                var myItems = '';

                for (var i in selectedItems) {

                    myItems += '|' + selectedItems[i].id;

                }
                myItems += '^' + window.parent.location.href;
               
                var options = SP.UI.$create_DialogOptions();
 
// options.url =getPageName+'?Items='+ myItems;
        options.url = '/_layouts/EXP.FS.DeleteFiles/DeleteFile.aspx?Items='+ myItems;
        options.width = .5;//500;
        options.height =.5;// 400;
        options.dialogReturnValueCallback = Function.createDelegate(null, CloseCallback);
        SP.UI.ModalDialog.showModalDialog(options);
      
   

            }
        }
    }
}