welsonjs/node_modules/modernizr/feature-detects/css/pseudotransitions.js

30 lines
905 B
JavaScript

/*!
{
"name": "CSS Generated Content Transitions",
"property": "csspseudotransitions",
"tags": ["css"]
}
!*/
define(['Modernizr', 'testStyles', 'prefixes', 'test/css/transitions', 'computedStyle'], function(Modernizr, testStyles, prefixes, computedStyle) {
Modernizr.addTest('csspseudotransitions', function() {
var result = false;
if (!Modernizr.csstransitions) {
return result;
}
var styles =
'#modernizr:before { content:" "; font-size:5px;' + prefixes.join('transition:0s 100s;') + '}' +
'#modernizr.trigger:before { font-size:10px; }';
testStyles(styles, function(elem) {
// Force rendering of the element's styles so that the transition will trigger
computedStyle(elem, ':before', 'font-size');
elem.className += 'trigger';
result = computedStyle(elem, ':before', 'font-size') === '5px';
});
return result;
});
});