Set default value of lookup Control using Jquery

NWF.FormFiller.Events.RegisterAfterReady(function ()
{

NWF$('#' + drpdownid ).parent().find('select').find('option:contains("'+valuetolookupandselect+'")').attr("selected", true);

NWF$('#' + drpdownid ).parent().find('select').change();
});‍‍‍‍‍‍‍‍‍‍‍‍‍‍

Where valuetolookupandselect is option's text not value

And drpdownid is set as per the below picture:

Hi does this work on Chrome / iPad?

I have a similar solution working on Windows/Chrome/IE but on iPad the default selection is blank on the drop down control.