Simultaneously update text area while typing in text field

Question

I want to update my text area along with typing in the text field but i get a delay of 1 keystroke while typing i.e when i press a key the previous key is displayed.Here is

Answer 1

You need to wait till the event on your TextField is processed before updating the TextArea. Your code update the TextArea before the TextField is done processing the new typed character. Hence the text set in the TextArea is one keystroke behind.