18.5. Check Boxes and Radio Buttons

Check boxes and radio buttons are useful controls for allowing the user to select among a set of predefined choices. While each individual check box can be selected or deselected individually, radio buttons can be grouped so that only a single member of the group can be selected at a time.

Check Boxes

HTML Element: <INPUT TYPE="CHECKBOX" NAME="..." ...> (No End Tag)
Attributes: NAME (required), VALUE, CHECKED, DISABLED, READONLY, ONCLICK, ONFOCUS, ONBLUR

This input element creates a check box whose name/value pair is transmitted only if the check box is checked when the form is submitted. For instance, the following code results in the check box shown in Figure 18-14.

Figure 18-14. An HTML check box.
 <P> <INPUT ...

Get Core Web Programming, Second Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.