In this article, we will review the process of using JavaScript, from an MVC-based perspective, to manipulate the DOM. More specifically, we’ll engineer our JavaScript objects, their properties and methods, and their instantiations parallel to the intended behavior of our Views (what the user sees).
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Officially released by Alex Sexton and Ralph Holzmann in late February of 2011, the yepnope.js resource loader features asynchronous, conditional loading and preloading of both JavaScript and CSS resources. This makes managing dependant, conditional code a breeze.
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This likely isn’t the first tutorial on testing that you’ve ever seen. But perhaps you’ve had your doubts about testing, and never took the time to read them. After all, it can seem like extra work for no reason.
This tutorial (with screencasts) intends to change your views. We’re going to start at the very beginning: what is testing and why should you do it? Then, we’ll talk briefly about writing testable code, before actually, you know, doing some testing! Let’s get to it.
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Recently, Douglas Crockford released a neat tool that makes the process of developing and testing your JavaScript a bit easier. Interested in learning more? Watch today’s quick tip to find out!
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Whether we like it or not, more and more developers are being introduced to the world of JavaScript through jQuery first. In many ways, these newcomers are the lucky ones. They have access to a plethora of new JavaScript APIs, which make the process of DOM traversal (something that many folks depend on jQuery for) considerably easier. Unfortunately, they don’t know about these APIs!
In this article, we’ll take a variety of common jQuery tasks, and convert them to both modern and legacy JavaScript.
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If you prefer the written word, we have a fantastic session on working with Dojo Toolkit, created by Andrew Burgess. However, for the visual learners among us, I also asked him to prepare a series of screencasts for the series as well. I’m pleased to announce that, today, we’ve released these videos exclusively to our Tuts+ Premium members.
Become a Premium member to read this tutorial/screencast, as well as hundreds of other advanced tutorials and screencasts from the Tuts+ network.
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TDD is an iterative development process where each iteration starts by writing a test which forms a part of the specification we are implementing. The short iterations allow for more instant feedback on the code we are writing, and bad design decisions are easier to catch. By writing the tests prior to any production code, good unit test coverage comes with the territory, but that is merely a welcome side-effect.
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Maybe you saw that tweet: ”jQuery is a gateway drug. It leads to full-on JavaScript usage.” Part of that addiction, I contend, is learning other JavaScript frameworks. And that’s what this four-part series on the incredible Dojo Toolkit is all about: taking you to the next level of your JavaScript addiction.
In this, the final episode of our session, we’ll look at the last member of the Dojo trinity: DojoX.
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Welcome to the last part in the YUI3 widget tutorial; although we’ve actually finished building the widget, we’re going to look at how easy it is to add extra functionality to a widget without having to re-write it.
Let’s get started right away!
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In the last part of this series, we looked at the life-cycle methods, automatic methods and the custom methods that our widget requires or can make use of. In this part, we’re going to finish defining the widget’s class by adding the attribute change-handling methods that we attached in the bindUI() life-cycle method.
Let’s get started right away!
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Learn how to liven up your webpages, from start to finish. Veteran Nettuts+ author Andrew Burgess helps you Get Good with JavaScript.
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