code.jobs - Test if the browser supports a specific CSS3 property - jQuery

browser.js

var supports = (function() {
    var div     = document.createElement('div'),
        vendors = 'Khtml Ms O Moz Webkit'.split(' '),
        len     = vendors.length;

    return function(prop) {
        if(prop in div.style) {
            return true;
        }

        prop = prop.replace(/^[a-z]/, function(val) {
           return val.toUpperCase();
        });

        while(len--) {
           if(vendors[len] + prop in div.style) {
              //browser supports box-shadow. Do what you need.
              //Or use a bang (!) to test if the browser doesn't.
            
              return true;
           }
        }

        return false;
    };
})();

if(supports('textShadow')) {
   document.documentElement.className += ' textShadow';
}