Java Reference
In-Depth Information
16
jQuery
What You Will learn in this Chapter:
➤
Using jQuery can simplify common tasks
➤
Creating, modifying, and removing elements with jQuery is easier
than with traditional DOM methods
➤
jQuery makes style modifications, both with individual CSS
properties and CSS classes, a breeze
➤
Handling HTTP requests and responses is much easier than writing
pure XMLHttpRequest code
➤
Deferred objects are useful, especially when used with Ajax
requests
Wrox.Com Code doWnloads for this Chapter
You can find the wrox.com code downloads for this chapter at
http://www.wiley.com/go/
BeginningJavaScript5E
o
n the Download Code tab. You can also view all of the examples
JavaScript is essential to web development. And even though JavaScript development is
relatively straightforward today, it was extremely challenging until early 2011 when Microsoft
released the ninth version of Internet Explorer.
Let's rewind the clock to the year 2001. The first browser wars were coming to a close, and
Microsoft sealed its overwhelming victory with IE6's release. A few months later the software
giant released Windows XP, the longest‐supported operating system in Microsoft's history,
with IE6 as its default browser.
At first, Microsoft enjoyed its 85 percent market share, but as the years passed, growing pressure
from Mozilla's Firefox spurred Microsoft to resume development on IE. In 2006, Microsoft
