Device.js makes it easy to write conditional CSS and/or JavaScript based on device operating system (iOS, Android, Blackberry, Windows, Firefox OS), orientation (Portrait vs. Landscape), and type (Tablet vs. Mobile).
Device.js inserts CSS classes into the <html> element.
- iOS: iPhone, iPod, iPad
- Android: Phones & Tablets
- Blackberry: Phones & Tablets
- Windows: Phones & Tablets
- Firefox OS: Phones & Tablets
Just include the script. The script then updates the <html> section with the appropriate classes based on the device's characteristics.
<script src="device.js"></script>The following tables map which CSS classes are added based on device and orientation.
| Device | CSS Classes |
|---|---|
| iPad | ios ipad tablet |
| iPhone | ios iphone mobile |
| iPod | ios ipod mobile |
| Android Phone | android mobile |
| Android Tablet | android tablet |
| BlackBerry Phone | blackberry mobile |
| BlackBerry Tablet | blackberry tablet |
| Windows Phone | windows mobile |
| Windows Tablet | windows tablet |
| Firefox OS Phone | fxos mobile |
| Firefox OS Tablet | fxos tablet |
| Desktop | desktop |
| Orientation | CSS Classes |
|---|---|
| Landscape | landscape |
| Portrait | portrait |
Device.js also includes support for conditional JavaScript, allowing you to write checks on the following device characteristics:
| Device | JavaScript Method |
|---|---|
| Mobile | device.mobile() |
| Tablet | device.tablet() |
| iOS | device.ios() |
| iPad | device.ipad() |
| iPhone | device.iphone() |
| iPod | device.ipod() |
| Android | device.android() |
| Android Phone | device.androidPhone() |
| Android Tablet | device.androidTablet() |
| BlackBerry | device.blackberry() |
| BlackBerry Phone | device.blackberryPhone() |
| BlackBerry Tablet | device.blackberryTablet() |
| Windows | device.windows() |
| Windows Phone | device.windowsPhone() |
| Windows Tablet | device.windowsTablet() |
| Firefox OS | device.fxos() |
| Firefox OS Phone | device.fxosPhone() |
| Firefox OS Tablet | device.fxosTablet() |
| Orientation | JavaScript Method |
|---|---|
| Landscape | device.landscape() |
| Portrait | device.portrait() |
Run device.js in noConflict mode, returning the device variable to its previous owner. Returns a reference to the device object.
var devicejs = device.noConflict();Environment detection has a high rate of misuse. Often times, folks will attempt to work around browser feature support problems by checking for the affected browser and doing something different in response. The preferred solution for those kinds of problems, of course, is to check for the feature, not the browser (ala Modernizr).
However, that common misuse of device detection doesn't mean it should never be done. For example, device.js could be employed to change the interface of your web app such that it uses interaction patterns and UI elements common to the device it's being presented on. Android devices might get a slightly different treatment than Windows or iOS, for instance. Another valid use-case is guiding users to different app stores depending on the device they're using.
In short, check for features when you need features, and check for the browser when you need the browser.
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Run
gruntto automagically compile your changes (Grunt) - Make changes to
src/device.coffee - Commit your changes (
git commit -am 'Added some feature') - PLEASE DO NOT COMMITlib/*.js - Push to the branch (
git push origin my-new-feature) - Create new Pull Request