I have a hidden input on my form, and my JavaScript code writes there dynamically generated string based on the user behavior on the page.
Later, I access to that inpput via server side code.
Many users will be using this page at the same time, so what about thread safety ?
I mean, could it be possible that userA has an access to that string generated by userB ? Or maybe server will read that string from each user’s Web Browser ?
This is all happening at the client side, on each individual user’s machine – when they post the data from their machine, you’ll get the data created there – there will be no cross pollution.