Created
January 7, 2019 03:16
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JavaScript: Detect touch device (react compatible)
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| function is_touch_device() { | |
| try { | |
| let prefixes = ' -webkit- -moz- -o- -ms- '.split(' '); | |
| let mq = function (query) { | |
| return window.matchMedia(query).matches; | |
| }; | |
| if (('ontouchstart' in window) || (typeof window.DocumentTouch !== "undefined" && document instanceof window.DocumentTouch)) { | |
| return true; | |
| } | |
| return mq(['(', prefixes.join('touch-enabled),('), 'heartz', ')'].join('')); | |
| } catch (e) { | |
| console.error('(Touch detect failed)', e); | |
| return false; | |
| } | |
| } |
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nb: heartz is an arbitrary string
Modernizr/Modernizr#1814