browser-device-features

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

Live demo is avaible at devtools.terrymorse.com.

Install

  npm install browser-device-features

Usage

<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/npm/browser-device-features/bd-features.js">
</script>

Functions

Function Name | Returns | Description --------------------- | --------- | ----------- 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 windowSize | string | (see below) 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:

Constant | Meaning ------------------------- | ------- 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 Compatibility

browser-device-features is compatible with the following browsers:

Browser | Compatible Version ------------------ | ------------------ IE | (none) Edge | 12+ (2015) Firefox | 64+ (2018) Chrome | 41+ (2015) Safari | 9+ (2015) Opera | 28+ (2015) 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.

MIT License

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:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.