Chapter 2
Talking to the Page
In This Chapter
Introducing the Document Object Model
Responding to form events
Connecting a button to a function
Retrieving data from text fields
Changing text in text fields
Sending data to the page
Working with other text-related form elements
JavaScript is fun and all, but it lives in web browsers for a reason: to let you change web pages. The best thing about JavaScript is how it helps you control the page. You can use JavaScript to read useful information from the user and to change the page on the fly.
Understanding the Document Object Model
JavaScript programs usually live in the context of a web page. The contents of the page are available to the JavaScript programs through a mechanism called the Document Object Model (DOM).
The DOM is a special ...
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