By Jonathan Chaffer, Karl Swedberg

Higher interplay, layout, and net improvement with easy JavaScript strategies

• An advent to jQuery that calls for minimum programming experience
• precise strategies to express client-side problems
• Revised and up to date model of this well known jQuery book

In Detail

To construct attention-grabbing, interactive websites, builders are turning to JavaScript libraries akin to jQuery to automate universal projects and simplify advanced ones. simply because many internet builders have extra adventure with HTML and CSS than with JavaScript, the library's layout lends itself to a short commence for designers with little programming adventure. skilled programmers can also be aided by means of its conceptual consistency.

LearningjQuery - Fourth version is revised and up-to-date model of jQuery. you are going to examine the fundamentals of jQuery for including interactions and animations for your pages. whether prior makes an attempt at writing JavaScript have left you baffled, this publication will advisor you previous the pitfalls linked to AJAX, occasions, results, and complex JavaScript language features.

Starting with an advent to jQuery, you'll first be proven the way to write a functioning jQuery software in precisely 3 strains of code. tips on how to upload effect in your activities via a collection of straightforward visible results and to create, reproduction, reassemble, and decorate content material utilizing jQuery's DOM amendment tools. The ebook will take you thru many specific, real-world examples, or even equip you to increase the jQuery library itself together with your personal plug-ins.

What you'll examine from this book
• Create interactive components on your internet designs
• the best way to create the simplest person interface to your internet applications
• Use selectors in numerous how one can get something you will want from a page
• Make issues ensue in your webpages with events
• upload aptitude for your activities with various animation effects
• observe the recent beneficial properties on hand in jQuery during this 3rd replace of this well known jQuery book


We will step via all of the middle thoughts of the jQuery library, development an total photograph of its functions. after you have completely coated the fundamentals, the publication returns to every proposal to hide extra complicated examples and techniques.

Who this booklet is written for

This publication is for net designers who are looking to create interactive parts for his or her designs, and for builders who are looking to create the simplest person interface for his or her internet functions. easy JavaScript programming and data of HTML and CSS is needed. No wisdom of jQuery is thought, neither is adventure with the other JavaScript libraries.

Jonathan Chaffer

Jonathan Chaffer is a member of fast improvement workforce, an internet improvement company positioned in Grand Rapids, Michigan. His paintings there comprises overseeing and imposing initiatives in a wide selection of applied sciences, with an emphasis in personal home page, MySQL, and JavaScript. He additionally leads on-site education seminars at the jQuery framework for net developers.

In the open resource neighborhood, he has been very lively within the Drupal CMS venture, which has followed jQuery as its JavaScript framework of selection. he's the writer of the content material development package, a well-liked module for dealing with based content material on Drupal websites. he's additionally liable for significant overhauls of Drupal's menu approach and developer API reference.

He lives in Grand Rapids together with his spouse, Jennifer.

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Extra info for Learning jQuery (4th Edition)

Example text

Figure 4-6 shows the Steering section that is available if you have selected either FORWARD or REVERSE for the Direction and have two motor ports checked. ■ Note If you select all three motor ports in the Port section of the configuration panel, the Steering control is turned off. Figure 4-6. The MOVE block’s Steering control in the configuration panel The Steering control can be very useful if you know how to use it. Depending on its setting, you can configure a robot to move in a small or large circle or just spin in place.

But remember— robots aren’t that smart! They need to be given very strict and specific instructions. And those instructions need to be given in a specific order. ” Think of a house. You can’t have a second floor without a first floor to build on top of, right? And you can’t install a roof before you pour the concrete floor and build some walls. There’s an order to how things are done when you build a house. The same goes for programming a robot. Planning Your Program’s Structure Let’s get out SPOT for another example.

Did you see it? The program probably ran so quickly that you didn’t even see the text displayed! Why does this happen? ” to the LCD screen and then end. And that’s exactly what happened—the text displays, and the program ends. This happens so fast that you don’t even get to see the text displayed. The good news is that this is very easy to fix, so let me update the pseudo-code before I continue: SPOT, I’d like you to display the words “Hello World” on your LCD screen for 10 seconds. There are numerous ways to keep the text on the screen until you have a chance to read it, but I’m only going to show you one method in this chapter.

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