By Brandon Satrom
You’ll additionally discover the way forward for polyfilling—or prollyfilling—that will show you how to try out and paintings with rising options, usually prior to browser owners. by the point you end this ebook, you’ll have the instruments and hands-on event you must construct trustworthy polyfills for today’s and tomorrow’s internet.
- Learn the present nation of polyfills, together with shims, opt-ins, and drop-ins
- Use ideas and practices to construct accountable polyfills that profit the total internet improvement group
- Build out a number of positive factors for an HTML5 kinds polyfill library
- Configure a construct atmosphere and run automatic cross-browser trying out
- Optimize functionality, deal with side circumstances, and fine-tune the rate of your polyfill
- Get examples of prollyfilling libraries that push the limits of the internet
- Write a pattern prollyfill and examine it to present polyfill builds
Read or Download Building Polyfills PDF
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Additional info for Building Polyfills
No walls. The things we do with PhoneGap are directly influenced by the work we see at the W3C, WHATWG, and other research such as Mozilla’s WebAPI, BONDI, WAC, webinos, webOS, Tizen, and the like. Over the last five years, Apache Cordova (aka PhoneGap) has become the de facto wrapper for building hybrid mobile apps with HTML5. It would be easy for the founders and their benefactors to focus on sustaining this little kingdom of theirs. Instead, they point to the open Web as the reason they exist, as well as the reason they one day hope to shutter the project.
Js, which follows a naming convention similar to other Kendo UI source files. Then, in my new source file, I’ll include the code in Example 3-3. Example 3-3. Form). kendoForm. plugin(Form); } (jQuery, kendo)); As illustrated here, my polyfill starts with an Immediately-Invoked Function Expres‐ sion (IIFE) that specifies my dependencies (jQuery and Kendo UI in this case). Next, I create some local lookup variables to cache key parts of the Kendo UI namespace. extend() method, which takes care of handling the initialization types I specified.
Then we’ll explore adding basic features and refactoring your polyfill as you expand scope over time. We’ll then wrap up the chapter with a look at manual cross-browser testing, and some tips for streamlining your cross-browser testing workflow. The HTML5 Forms Polyfill First, let’s take a look at our candidate library for the next two chapters: an HTML5 Forms polyfill. When I first set out to write this book, I considered a lot of different options for a guinea pig polyfill to use. I wanted to target something that was reasonably complex, but straightforward enough to introduce in bits and pieces, via text.