I have to type values in first name and last name in appearing window after clicking add value button but, it is not working proper it not adding value just scrolling page and again opening window.
I have created two in arguments first name and last name and passed values to them just to test.
i am comfused of this behavior please help me to solve .
attached images of window and script.
it is showing following eror too while selecting selector for type into of first name