This is a continuation of the article about LibCanvas basics. In the first part we’ve touched upon the theoretical side and now we’re going to do some practice and try to implement very basic and simple things. The main purpose of the article is to master the basic knowledge about LibCanvas, we’ll write a simple scripts, unsuitable for the use in real life, but you can develop them into something great.
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One of the HTML5 innovations has become the ability to edit the page in the browser. This feature is called content editable. It works in all modern browsers. To make the page editable, you need to put the tag attribute contenteditable = “true”. Under the tag can be almost everything: formatted text, images, lists, and even flash-movies. But you can add only text, the rest can only be removed. In this post I’ll show an example of using content editable on the website.
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jQuery definitely has become a standard in web development industry. There are many excellent js-frameworks that deserve attention, but jQuery impressed everyone with its ease, elegance and magic. People write using jQuery, people write plugins for jQuery, people even write articles about jQuery, but few people know (especially beginners) about jQuery’s structure.
In this article, we will hold a small excursion into the interior of this framework and discuss what’s inside of it. This article is intended for basic knowledge of Javascript. Think about it, and if you know how to write a clone of jQuery, then likely you won’t find here anything new.
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When people started talking about CSS3, properties like border-radius and text-shadow seemed to get all the attention. But with a wide variety of new selectors, pseudo elements and properties, CSS3 has a whole lot more. We’ll hit on some of the basics and then delve into some of the more advanced aspects, like using web fonts and :nth-child (whoo hoo) and creating gradients and animations.
One of the most frequently asked question about LibCanvas now is “How to get started?” I agree that the threshold of entering into this library is slightly higher than in the simple canvas-library, so in this topic I will cover the basic notions of LibCanvas, such general concepts and principles as drawing primitive shapes, mouse and keyboard events, animation, enhanced context and behavior.
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Nobody can predict what devices your visitors use. It’s better to focus on resolution and not on devices. If you are not Facebook or Google corporation, most likely you won’t be able to carry the creation and maintenance of different versions of the site for each device on one’s shoulders. And it doesn’t make much sense, because the situation is similar to the realities of fifteen years ago. At that time the sites were created “for the browser” and now someone offers to do a site “for the device.”
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