Detect features and capabilities of a browser.
browser-device-features detects several features of a browser, including:
- Does the device have a touch screen?
- Does the device have pointer?
- Does the pointer has a coarse or fine tip?
- Does the user prefer light or dark mode?
- Is the device in portrait or landscape mode?
- What is the window's current size?
- What is the device's screen size?
- Has the user touched anything?
- Has the user moved a mouse?
- Has the user moved a pointer?
Demo is avaible at terrymorse.com.
npm install browser-device-features
<script src="bd-features.js"></script> <script> let touchDevice = BdFeatures.hasTouch(); /* --- */ let pointed = BdFeatures.userHasPointed(); </script>
Or simply use the CDN:
<script src="https://cdn.jsdelivr.net/gh/terrymorse58/browser-device-features/bd-features.js"> </script>
|browserSupported||boolean||browser-device-features supports this browser|
|hasTouch||boolean||touch is possible|
|canHover||boolean||hover is possible|
|hasPointer||boolean||pointing device exists|
|finePointer||boolean||pointer has fine point (mouse, trackpad, stylus)|
|coarsePointer||boolean||pointer has coarse point (touch screen)|
|wantsLight||boolean||user prefers light mode|
|wantsDark||boolean||user prefers dark mode|
|noLightDarkPreference||boolean||no user light-dark preference|
|isPortrait||boolean||display is in portrait orientation|
|isLandscape||boolean||display is in landscape orientation|
|screenHeight||number||height of the device screen|
|screenWidth||number||width of the device screen|
|touched||boolean||user has used touch|
|moused||boolean||user has moved mouse|
|pointed||boolean||user has moved pointer|
Constants returned by windowSize()
windowSize() returns sizes matching the Bootstrap window sizes. The
following constants define the sizes:
|BdFeatures.WINDOW_XS||extra-small screen (width < 576px)|
|BdFeatures.WINDOW_SMALL||small screen (576 ≤ width < 768px)|
|BdFeatures.WINDOW_MEDIUM||medium screen (768 ≤ width < 992px)|
|BdFeatures.WINDOW_LARGE||large screen (992 ≤ width < 1200px)|
|BdFeatures.WINDOW_XL||extra- large screen (width ≥ 1200px)|
browser-device-features is compatible with the following browsers:
|iOS Safari||9+ (2015)|
|Android Browser||80+ (2020)|
|Opera Mobile||46+ (2016)|
|Chrome for Android||80+|
Functions that are not compatible with the browser will return null.
A current list of compatible browsers is maintained at caniuse.com.
Copyright (c) 2020 Terry Morse
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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