6. Form Handling
In This Chapter
Checking Fields Against Each Other
Putting Form Validation into Action
Anytime you need to gather information from the users of your websites, you’ll need to use a form.
Forms can contain most of the usual graphical interface elements, including entry fields, radio buttons, check boxes, pop-up menus, and entry lists. In addition, HTML forms can contain password fields, shielding the user’s input from prying eyes.
Once the form is filled out, a click on the form’s Submit button sends the form’s information ...
Get Visual QuickStart Guide: JavaScript, Ninth 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.