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// selectorSupported lovingly lifted from the mad italian genius, diego perini
// http://javascript.nwbox.com/CSSSupport/
function selectorSupported(selector){
var support, link, sheet, doc = document,
root = doc.documentElement,
head = root.getElementsByTagName('head')[0],
impl = doc.implementation || {
hasFeature: function() {
return false;
}
},
link = doc.createElement("style");
link.type = 'text/css';
(head || root).insertBefore(link, (head || root).firstChild);
sheet = link.sheet || link.styleSheet;
if (!(sheet && selector)) return false;
support = impl.hasFeature('CSS2', '') ?
function(selector) {
try {
sheet.insertRule(selector + '{ }', 0);
sheet.deleteRule(sheet.cssRules.length - 1);
} catch (e) {
return false;
}
return true;
} : function(selector) {
sheet.cssText = selector + ' { }';
return sheet.cssText.length !== 0 && !(/unknown/i).test(sheet.cssText) && sheet.cssText.indexOf(selector) === 0;
};
return support(selector);
};
Modernizr.addTest('targetselector',function(){
return selectorSupported(':target');
})
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