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Chapter 27. Understanding the Form Objec... > Restricting the Number of Form Submi...

Restricting the Number of Form Submissions

One common problem faced by Web designers is restricting the number of times a user submits a form. There are two situations where this crops up quite often:

  • In a contest or promotion where a user figures that the more times he submits the form, the better his chances are of winning.

  • With a new user who isn't sure what she's doing and repeatedly submits a form "just to make sure."


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