--- title: "This Week's HTML5 and Browser Technology News (Issue 239)" publication: "Frontend Focus" issue: 239 published_at: "2016-05-11" canonical_url: "https://frontendfoc.us/issues/239" --- This Week's HTML5 and Browser Technology News (Issue 239) [Read this e-mail on the Web](http://frontendfoc.us/issues/239) Frontend FocusIssue 239 — May 11, 2016 We're going to rebrand HTML5 Weekly to a more 'front-end'-oriented name soon. No change in content, but 'front-end' better reflects what we're covering. If you have any opinions or suggestions, hit reply - we're reading :-) _- Peter Cooper, editor_[A Guide to Writing Maintainable CSS](http://maintainablecss.com/?utm_source=frontendfocus&utm_medium=email)Write CSS without worrying that overzealous, pre-existing styles will cause problems. Adam Silver [Build Your Own Chrome Extension with Angular 2 & TypeScript](http://www.sitepoint.com/chrome-extension-angular-2/?utm_source=frontendfocus&utm_medium=email)Learn how to add more functionality to your browser by creating your own bookmark manager Chrome extension using Angular 2 and TypeScript. Michaela Lehr [#RRGGBBAA and #RGBA Colors Coming To Browsers](http://codepen.io/malyw/pen/wGNOrd?editors=1100)Two alternative ways to specify colors in CSS using the hex format. In Firefox Nightly now and coming to Chrome and WebKit very soon. Serg Gospodarets [My URL Isn’t Your URL](https://daniel.haxx.se/blog/2016/05/11/my-url-isnt-your-url/?utm_source=frontendfocus&utm_medium=email)The creator of cURL reflects on the definition of a ‘URL’ and how it varies: _“The WHATWG view of a URL is not widely adopted outside of browsers.”_ Daniel Stenberg [![Wijmo\](https://copm.s3.amazonaws.com/45f82464.png)](http://wijmo.com/microsoft-dynamics/?utm_source=HTML5weekly&utm_medium=newsletter&utm_content=5.11.primary.wijmo_dynamics&utm_campaign=dynamics)[Microsoft Dynamics CRM Uses Wijmo 5 UI Controls](http://wijmo.com/microsoft-dynamics/?utm_source=HTML5weekly&utm_medium=newsletter&utm_content=5.11.primary.wijmo_dynamics&utm_campaign=dynamics)To build the new mobile interface for its Dynamics CRM solution, Microsoft used the high-quality JavaScript controls in Wijmo 5, a collection of true JavaScript UI controls by GrapeCity. Read more about the top reasons Microsoft Dynamics chose Wijmo 5. WijmoSponsor [Optimizing Pages for Large-Scale Displays](https://css-tricks.com/optimizing-large-scale-displays/?utm_source=frontendfocus&utm_medium=email)Nowadays, we think a lot about smaller, mobile screens, but developers should consider the challenges and techniques to optimize for large-scale screens too. Jon Yablonski [ARIA in HTML: W3C Editor's Draft](http://w3c.github.io/html-aria/?utm_source=frontendfocus&utm_medium=email)A new editor’s draft is out today covering a popular spec that defines the rules for the use of WAI-ARIA accessibility attributes on HTML documents. W3C [Firefox's New 'Test Pilot' Program](https://blog.mozilla.org/blog/2016/05/10/you-can-help-build-the-future-of-firefox-with-the-new-test-pilot-program/?utm_source=frontendfocus&utm_medium=email)Mozilla has unveiled ‘Test Pilot’, a way for users to test experimental features in Firefox. The Mozilla Blog [Embracing Fluid Typography](https://www.smashingmagazine.com/2016/05/fluid-typography/?utm_source=frontendfocus&utm_medium=email)Unlike responsive typography, which changes only at set breakpoints, fluid typography resizes smoothly to match any device width. Michael Riethmuller Jobs [![Supported by Hired.com\](http://s3.cooperpress.com.s3.amazonaws.com/hired1.png)](https://hired.com/join/?utm_source=petercooperpress&utm_medium=sponsor&utm_campaign=%28b2c%29%28l-all%29%28r-swe%29%28q2-17-frontend-focus%29&utm_content=newsletter) - [craigslist seeks JavaScript Developers (San Francisco, CA)](http://sfbay.craigslist.org/sfc/eng/5480685169.html?#)CL seeks web devs with JavaScript, CSS, and HTML experience to join a small (~50), tech-driven, laid-back workplace to design and ship new features daily, and see them loved (or hated) by millions. Come help us save the world, or at least our corner of the Internet. craigslist - [Job Offers. No resume necessary.](https://hired.com/?utm_source=newsletters&utm_medium=petercooperpress&utm_term=cat-tech-html5&utm_content=noresume&utm_campaign=q2-16-html5weekly&utm_location=us)Create your Hired profile to get top companies to start applying to hire you. Get offers from $75,000 - $250,000 on the platform in 1 week. Hired.com Can't find the right job? Want companies to apply to _you?_ [Try Hired.com.](https://hired.com/?utm_source=newsletters&utm_medium=petercooperpress&utm_term=cat-tech-frontend&utm_campaign=q2-17-frontend) In Brief [Chromium Team Considering Ignoring Clicks On Elements That Have Moved Recently](https://groups.google.com/a/chromium.org/d/msg/intervention-dev/veqfzzqz3LY/G1AGfV-tBgAJ?utm_source=frontendfocus&utm_medium=email) news Chromium [Web Fonts for President 2016](https://www.zachleat.com/web/president-web-font/?utm_source=frontendfocus&utm_medium=email) news US presidential candidates ordered by best font loading strategy. Well, why not? Zach Letterman [Safari Unprefixing CSS Grid Layout properties](https://bugs.webkit.org/show_bug.cgi?id=157137) news Safari Technology Preview 4 will reflect this change. WebKit [New APIs to Help Developers Improve Scroll Performance](http://blog.chromium.org/2016/05/new-apis-to-help-developers-improve.html?utm_source=frontendfocus&utm_medium=email) news Chromium [New Angular 2 Course with Lukas Ruebbelke and Scott Moss](https://frontendmasters.com/courses/angular-2/?utm_source=frontendfocus&utm_medium=email) rawurl course Angular 2 is an incredibly powerful evolution of AngularJS. Discover why Angular 2 is half the framework with twice the power. Frontend MastersSponsor [CSS-Filtered Backgrounds with a Fallback for Legibility](http://codepen.io/tigt/post/blurred-background-image-with-fallback?utm_source=frontendfocus&utm_medium=email) tutorial Taylor Hunt [How to Implement Smooth Scrolling in Vanilla JavaScript](http://www.sitepoint.com/smooth-scrolling-vanilla-javascript/?utm_source=frontendfocus&utm_medium=email) tutorial Giulio Mainardi [The Importance of '!important': Forcing Immutability in CSS](http://csswizardry.com/2016/05/the-importance-of-important/?utm_source=frontendfocus&utm_medium=email) tutorial Advice on how and when to use the CSS !important property. Harry Roberts [Masking in the Browser with CSS and SVG](http://www.sitepoint.com/masking-in-the-browser-with-css-and-svg/?utm_source=frontendfocus&utm_medium=email) tutorial Maria Antonietta Perna [Angular Performance: Tuning the Engine](https://www.youtube.com/watch?v=LoIuokh6NUI) video A focus on improving performance with your Angular apps. Todd Motto [Building Web Sites that Work Everywhere](https://www.youtube.com/watch?v=Iv_bjxPb9ps&index=27&list=PLndbWGuLoHebKI8krCzJU88Rf3TwhNZvH) video A real life example is used to demonstrate step by step how to build cross-browser, plugin-free experiences. Doris Chen [target="_blank": The Most Underestimated Vulnerability Ever?](https://medium.com/@jitbit/target-blank-the-most-underestimated-vulnerability-ever-96e328301f4c?utm_source=frontendfocus&utm_medium=email) opinion Did you know that the linked page gains partial access to the source page? Alex Jumašev [CSS From The Future](http://zeke.sikelianos.com/css-from-the-future/?utm_source=frontendfocus&utm_medium=email) opinion “When will vanilla CSS be good enough to replace Sass, Less, Stylus and the rest?” Zeke Sikelianos [How to Write Better Comments in Your CSS](http://seesparkbox.com/foundry/lets_write_beautiful_css_comments?utm_source=frontendfocus&utm_medium=email) opinion Ethan Muller [Lightning fast SSD hosts for your HTML5 project](https://welcome.linode.com/html5-weekly/?utm_source=cooperpress&utm_medium=sponsored&utm_term=html5&utm_campaign=html5-weekly) rawurl tools Host your HTML5 site on Linode servers - the fastest VPS hosts available. Use promo code HTML520 for $20 credit. LinodeSponsor [smlr: Re-Encode JPEG Images with No Perceivable Quality Loss](https://github.com/jasonmoo/smlr?utm_source=frontendfocus&utm_medium=email) tools Jason Mooberry [Use Mozilla Firefox DevTools in Chrome](https://davidwalsh.name/firefox-devtools-chrome?utm_source=frontendfocus&utm_medium=email) tools Mozilla’s Valence project lets you use Firefox’s Developer Tools in projects other than Firefox (even Chrome!) David Walsh [Vital: A 'Minimally Invasive' CSS Framework for Modern Webapps](http://doximity.github.io/vital/?utm_source=frontendfocus&utm_medium=email) code Doximity [Tocbot: Generate A Table of Contents Based On The Headings in An HTML Document](http://tscanlin.github.io/tocbot/?utm_source=frontendfocus&utm_medium=email) code Tim Scanlin [Gutenberg: A Web Typography Starter Kit](http://matejlatin.github.io/Gutenberg/?utm_source=frontendfocus&utm_medium=email) code Matej Latin [The Experimental Layout Lab of Jen Simmons](http://labs.jensimmons.com/?utm_source=frontendfocus&utm_medium=email) demo A collection of CSS/HTML layout demos, with CodePen demo links. Jen Simmons Curated by [Peter Cooper](http://twitter.com/peterc) and [Chris Brandrick](http://twitter.com/chrisbrandrick) and published by [Cooperpress](https://cooperpress.com/). 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