modernizr
Version:
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
26 lines (24 loc) • 760 B
JavaScript
/*!
{
"name": "CSS vw unit",
"property": "cssvwunit",
"caniuse": "viewport-units",
"tags": ["css"],
"notes": [{
"name": "Related Modernizr Issue",
"href": "https://github.com/Modernizr/Modernizr/issues/572"
},{
"name": "JSFiddle Example",
"href": "http://jsfiddle.net/FWeinb/etnYC/"
}]
}
!*/
define(['Modernizr', 'testStyles'], function( Modernizr, testStyles ) {
testStyles('#modernizr { width: 50vw; }', function( elem, rule ) {
var width = parseInt(window.innerWidth/2,10);
var compStyle = parseInt((window.getComputedStyle ?
getComputedStyle(elem, null) :
elem.currentStyle)['width'],10);
Modernizr.addTest('cssvwunit', compStyle == width);
});
});