Chapter 9. Forms
It didn’t take long for the Web to shift from a network of pages to read to a place where you went to get things done—making purchases, booking plane tickets, signing petitions, searching a site, posting a tweet...the list goes on! All of these interactions are handled by forms.
In fact, in response to this shift from page to application, HTML5 introduced a bonanza of new form controls and attributes that make it easier for users to fill out forms and for developers to create them. Tasks that have traditionally relied on JavaScript may be handled by markup and native browser behavior alone. HTML5 introduces a number of new form-related elements, 13 new input types, and many new attributes (they are listed in Element Review: Forms at the end of this chapter). Some of these features are waiting for browser implementation to catch up, so I will be sure to note which controls may not be universally supported.
This chapter introduces web forms, how they work, and the markup used to create them. I’ll also briefly discuss the importance of web form design.
How Forms Work
There are two parts to a working form. The first part is the form that you see on the page itself that is created using HTML markup. Forms are made up of buttons, input fields, and drop-down menus (collectively known as form controls) used to collect information from the ...
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