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Chapter 8. Forms > Performing Form Validation

Performing Form Validation

There is no such thing as a foolproof Web page, especially when the page relies on information submitted by the visitor. Form information can be confirmed after it is submitted to the server, but this requires that the information be sent, processed, and then sent back for corrections if needed.

Using DHTML, however, we can go a long way in speeding this process up by checking the information before it is ever sent and asking the user to fill in missing information or to correct information that is obviously inaccurate.


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