g214/static/bower_components/modernizr/feature-detects/css-pointerevents.js

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2020-11-12 02:29:05 +00:00
// developer.mozilla.org/en/CSS/pointer-events
// Test and project pages:
// ausi.github.com/Feature-detection-technique-for-pointer-events/
// github.com/ausi/Feature-detection-technique-for-pointer-events/wiki
// github.com/Modernizr/Modernizr/issues/80
Modernizr.addTest('pointerevents', function(){
var element = document.createElement('x'),
documentElement = document.documentElement,
getComputedStyle = window.getComputedStyle,
supports;
if(!('pointerEvents' in element.style)){
return false;
}
element.style.pointerEvents = 'auto';
element.style.pointerEvents = 'x';
documentElement.appendChild(element);
supports = getComputedStyle &&
getComputedStyle(element, '').pointerEvents === 'auto';
documentElement.removeChild(element);
return !!supports;
});