Close/Reset a page

Hi,

I have two pages, A and B.

A has a button which leads to B and B has a button which leads to A.

So i make some changes,enter some text in a textbox in A,then press the button. It goes to B. Now when i press the button in B, i want it to go to page A but with the page as if it was opened the first time.

Instead,when i press button in B it goes to page A but with the text i entered.

So is there any way to kill page A when i got to page B so that when i go back to page A,it is a fresh new Page?

Or is there any way to reset Page A to its initial position?

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Ashish Shah