July 2014
Intermediate to advanced
642 pages
15h 11m
English
Content preview from Enterprise Web DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 3. Introducing the jQuery Library
Until now, we’ve been using HTML, plain JavaScript, and CSS to create the Save The Child web application. In the real world, developers try to be more productive by using JavaScript libraries.
Libraries such as jQuery Core substantially minimize the amount of manual coding while programming the core functionality of a web application. The jQuery UI library offers widgets, animations, and advanced effects. The RequireJS library is a module loader that allows you to modularize HTML5 applications. Hundreds of micro libraries are also available that can do just one thing and can be used à la carte (visit MicroJS for details).
Libraries are different from frameworks, which we discuss in Chapter 4. Whereas frameworks force you to organize your code in a certain way, a library simply offers components that allow you to write less code.
This chapter presents the JavaScript library jQuery, or to be more precise, JQuery Core. About half of the top websites use jQuery (visit Built With for the current statistics). jQuery is simple to use and doesn’t require you to dramatically change the way you program for the Web. jQuery offers a helping hand with the tasks that most web developers need to deal with—for example, finding and manipulating DOM elements, processing browser events, and dealing with browser incompatibility, which makes your code more maintainable. Because jQuery is an extensible library, lots and lots of plug-ins have been created by developers ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.