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Chapter 6. Validating Forms > Working with Radio Buttons

Working with Radio Buttons

Radio buttons are an either/or interface element that let the user pick one (and only one) choice within a group of options. Radio buttons should be used when one of those options is required. As shown in Figure 6.7 , the form uses radio buttons to let the hypothetical car buyer choose between a two-door or four-door automobile. In this case, you can only pick one of these choices, and you must make a choice. If you don't, the form makes one for you, called the default choice.

Figure 6.7. Radio buttons are the best way to let the user pick only one choice from a group of options.



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