HTML5 adds an attribute, scoped, to the style element which limits the scope of the styles contained within the tag. Google’s Alex Danilo has a good introduction to scoped over at HTML5Rocks. Essentially scoped allows you to nest styles within HTML and those styles will only apply to any child elements.
Wednesday, April 25, 2012
HTML5 Offers ‘Scoped’ CSS for Precision Styling
HTML5′s controversial “scoped” style attribute is now supported in the latest Canary builds of Google’s Chrome web browser and Mozilla may eventually add support to Firefox as well.
Swipe.js
Swipe brings content sliding to the mobile web to preserve space and allow for new types of interaction. Many mobile web sliders currently exist but few embody all the rules a slider like this should follow.
1:1 touch movement
1:1 movement, as described above, is about tracking the position of the touch and moving the content exactly how the touch interacts. This interaction is very common in native apps.
Resistant bounds
When Swipe is at the left-most position, sliding any more left will increase the resistance to slide, making it obvious that you have reached the end. This detection/resistance occurs at both left and right bounds.
Rotation/resize adjustment
When a user rotates their device (in turn resizing the browser window), the slider resets to make sure the sliding elements are the right size. This is only necessary for sliders without declared widths.
Variable width containers
Swipe allows you to set a width to the container, which designates the width of each slide element. This is important if you do not want a full width slider (the default).
Scroll prevention
Scroll prevention is one of the most overlooked pieces of mobile sliders. Swipe detects if you’re trying to scroll down the page or slide content left to right.
Library agnostic
Swipe doesn’t rely on any library. Trust me this is a good thing. All you have to do is pass in the container element, set some parameters, and BOOM goes the dynamite– you're all set. You may choose to pass the element to Swipe with a library, but it’s not necessary.
CREATING A MOBILE-FIRST RESPONSIVE WEB DESIGN
We're going to walk through how to create an adaptive web experience that's designed mobile-first. This article and demo will go over the following:
- Why we need to create mobile-first, responsive, adaptive experiences
- How to structure HTML for an adaptive site in order to optimize performance and prioritize flexibility
- How to write CSS that defines shared styles first, builds up styles for larger screens with media queries, and uses relative units
- How to write unobtrusive Javascript to conditionally load in content fragments, take advantage of touch events and geolocation
- What we could do to further enhance our adaptive experience
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