Designing with Progressive Enhancement: Building the Web - download pdf or read online

By Todd Parker, Scott Jehl, Maggie Costello Wachs, Patty Toland

ISBN-10: 0321658884

ISBN-13: 9780321658883

Innovative enhancement is an method of internet improvement that goals to convey the absolute best adventure to the widest attainable viewers, and simplifies coding and checking out to boot. no matter if clients are viewing your websites on an iPhone, the most recent and maximum high-end process, or perhaps listening to them on a screen-reader, their event might be effortless to appreciate and use, and as fully-featured and useful as attainable.  Designing with revolutionary Enhancement will convey you the way. It’s either a realistic consultant to figuring out the foundations and advantages of revolutionary enhancement, and an in depth exploration of examples that might train you—whether you’re a clothier or a developer—how, the place, and while to enforce the categorical coding and scripting methods that embrace revolutionary enhancement.  In this publication, you’ll examine:  Why universal coding methods go away clients in the back of, and the way revolutionary enhancement is a extra inclusive and available alternative How to research advanced interface designs, see the underlying semantic HTML event that would paintings all over the place, and layer on complicated improvements safely A specified browser services checking out suite that is helping convey improvements purely to units which can deal with themReal-world top practices for coding HTML, CSS, and JavaScript to paintings with revolutionary enhancement, and circumstances the place forward-looking HTML5 and CSS3 ideas could be utilized successfully todayHow to consider accessibility gains like WAI-ARIA and keyboard aid to make sure common entry  Detailed innovations to remodel semantic HTML into interactive parts like sliders, tabs, tree controls, and charts, besides downloadable jQuery-based widgets to use without delay on your tasks

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Additional resources for Designing with Progressive Enhancement: Building the Web that Works for Everyone

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Landmark roles can be assigned to static content blocks to identify their primary purpose, and also provide a quick way for screen reader users to navigate around the page, as many newer screen readers enable this functionality. org/WAI/PF/ aria/roles#landmark_roles. Figure 2-3 the news website’s primary layout blocks are assigned logically named iDs and given landmark roles. 20 Designing wit h Prog r essive en h a n cemen t: Buil D i ng the w e B t h at wo rks fo r e ve ryo ne leveraging native hTMl hierarchy features for content organization In the basic experience, advanced CSS and JavaScript aren’t available to create multicolumn layouts, or use slideshows or tabs to streamline the content presentation.

Or a low and high dollar amount? Are they the same? This is where the x-ray perspective kicks in. Instead of looking at the appearance or userinteraction of an element in the final design, we focus on what information the element is supposed to convey or what data needs to be collected from the user. What’s really going on inside Kayak’s sliders, beneath the surface? Consider that each timeframe slider is designed to collect two values—a start time and an end time—within a 24-hour period. A few standard HTML elements for collecting user input could very effectively capture those values, including a text input or a select element, but which element provides the best user experience?

C Content objects within each column, like slideshow titles, linked article titles, and market data tabs, are marked up with h3 elements. Headings used in this way help both visual and screen-reader users discern the content hierarchy. By default, browsers render heading elements in graduated font sizes, from very large (h1) to small (h6); in the basic experience, we rely on the browser’s default sizes to style headings so that they appear larger than normal text. Headings introduce hierarchy and order on the news page, and build in an added benefit for users of screen readers who rely on markup structure alone to navigate; most modern screen readers now provide a control to browse the content by page headings (as well as paragraphs and lists).

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Designing with Progressive Enhancement: Building the Web that Works for Everyone by Todd Parker, Scott Jehl, Maggie Costello Wachs, Patty Toland

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