welsonjs/node_modules/modernizr/feature-detects/pagevisibility-api.js

26 lines
845 B
JavaScript

/*!
{
"name": "Page Visibility API",
"property": "pagevisibility",
"caniuse": "pagevisibility",
"tags": ["performance"],
"notes": [{
"name": "MDN Docs",
"href": "https://developer.mozilla.org/en-US/docs/DOM/Using_the_Page_Visibility_API"
}, {
"name": "W3C Spec",
"href": "https://www.w3.org/TR/2011/WD-page-visibility-20110602/"
}, {
"name": "HTML5 Rocks Tutorial",
"href": "https://www.html5rocks.com/en/tutorials/pagevisibility/intro/"
}],
"polyfills": ["visibilityjs", "visiblyjs", "jquery-visibility"]
}
!*/
/* DOC
Detects support for the Page Visibility API, which can be used to disable unnecessary actions and otherwise improve user experience.
*/
define(['Modernizr', 'prefixed'], function(Modernizr, prefixed) {
Modernizr.addTest('pagevisibility', !!prefixed('hidden', document, false));
});