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Chapter 6. Form Handling

6. Form Handling

In This Chapter

Select-and-Go Navigation135
Changing Menus Dynamically140
Making Fields Required142
Checking Fields against Each Other147
Identifying Problem Fields149
Putting Form Validation into Action151
Working with Radio Buttons156
Setting One Field with Another159
Validating Zip Codes162
Validating Email Addresses166


Any time you need to gather information from the users of your Web sites, you’ll need to use a form.


  

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