Transferring-data-between-two-textboxes-using-Javascript(Using SetInterval and SetTimeout and Clear Interval)

1)Two textboxes (Textbox1 and Textbox2)

2)Three buttons namely forward,pause and backward (<< || Pause || >> ).

3)Users will enter the data in textbox and on clicking the forward button the data will start shifting after every 1 second).

4)On clicking the pause,the shifting should pause(used ClearInterval).

5)On clicking the backward button,the data should go back to the other textbox in the same way it came after every 1 second(Important).