Event triggers when typing complete on a text box

        var typingTimer;              
var doneTypingInterval = 2000;

$('input[name="optpeople_return_2"]').keyup(function(){
clearTimeout(typingTimer);
typingTimer = setTimeout(getPriceWithVehicles, doneTypingInterval);
});

$('input[name="optpeople_return_2"]').keydown(function(){
clearTimeout(typingTimer);
});