bootstrap study share
Post on 27-Jan-2015
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Bootstrap v3 研究分享 by Vincent Chang
Agenda
Bootstrap
◦ CSS
◦ Component
◦ UI Customization
Responsive Web Design(RWD)
Less
Reference
BOOTSTRAP
Bootstrap v3 HTML5
◦ <!DOCTYPE html>
CSS ◦ CSS3
◦ Grid System
◦ Normalize.css, a project by Nicolas Gailagher and Jonathan Neal
◦ LESS
Components ◦ A dozen reusable components
◦ Glyphicons
JavaScript ◦ Uses jQuery framework
◦ The data attribute
Bootstrap Grid System
12 columns
Size
◦ Extra small(col-xs) : (<768px)
◦ Small(col-sm) : (≥768px)
◦ Middle(col-md) : (≥992px)
◦ Large(col-lg) : (≥1200px)
Grid behavior: ◦ Extra small : Horizontal at all times
◦ Others : Collapsed to start, horizontal above breakpoints
Bootstrap Grid System
Include Bootstrap.css
Usage
◦ Row : row as the div class name
◦ Column : (col-xs-/col-sm-/col-md-/col-lg-)%d as the div class name
Col-md-6 Col-md-6
Grid system sample
Normalize.css
Cross-browser consistency in HTML elements
margin => 0 border => 0 padding => 0
Bootstrap Components
Pre-define a couple of components ◦ Dropdowns ◦ Button, Button Groups ◦ Navbar ◦ Labels ◦ Progress bars ◦ Alerts ◦ Etc.
Component usage: 1. Apply style 2. Enable component logic Via javascript. Via markup API
Via javascript(Model)
Example
◦ Modal
$('#myModal').modal(‘show’)
$('#myModal').modal({backdrop:’static’, show:true})
◦ Button
$('.btn').button()
◦ Tooltip
$('#example').tooltip(options)
Via markup API(Modal)
GlyphIcons
GlyphIcons
Usage :
◦ <span class="glyphicon glyphicon-star"></span>
◦ Don't mix with other components
X:<button class=“btn glyphicon glyphicon-star”>button</button>
O:<button class=“btn”><span class=“glyphicon xxx”></span>button<button>
Bootstrap UI Customization
All UI style sheet can be set on official website
http://bootswatch.com/
CSS part
◦ Able to be included partially.
Javascript/jQuery plugin part
◦ Able to be included partially.
Less Variables
RESPONSIVE WEB DESIGN
Desktop, Tablet, Mobile and etc.
Responsive Web Design
Fluid Grid Concept
Flexible Image
Media Queries
Responsive, Fluid Grid Concept Grid system
◦ Is derived from the graphic design.
◦ Make alignment.
◦ Standardize layout design.
◦ 960 Grid system
Fluid Grid
◦ Web design
12 grid
12 grid
Flexible Image
CSS
◦ max-width: 100%; height: auto;
Bootstrap way
◦ class .img-responsive
Media Queries
a feature of CSS3
E.g.
Bootstrap responsive utilities ◦ .visible-(xs/sm/md/lg)
◦ .hidden-(xs/sm/md/lg)
◦ .visible-print
◦ .hidden-print
CSS3 Media Queries Browser Support Desktop platform : doesn’t
support IE 8
Mobile platform : support all browsers.
Reference : http://caniuse.com/css-mediaqueries
LESS The dynamic stylesheet language
What is LESS
CSS extension
.LESS files compile to CSS files
Variable
Mixin
Nested Rules
Functions & Operations
Variables
Mixin
Nested Rules
Functions
String Misc List Math Type Color Color Definition Color Channel Color Operations Color Blending Reference : less functions
Function example
Reference
Bootstrap website :
◦ http://getbootstrap.com/
◦ http://bootswatch.com/
◦ http://www.layoutit.com/
LESS : http://www.lesscss.org/
RWD Wiki : http://en.wikipedia.org/wiki/Responsive_web_design
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