demo/js/modernizr-1.6.js
function set_prefixed_property_css(element, property, value, extra) {
            element.style.cssText = prefixes.join(property + ':' + value + ';') + (extra || '');
        }
function set_prefixed_property_css(element, property, value, extra) {
            element.style.cssText = prefixes.join(property + ':' + value + ';') + (extra || '');
        }
function set_prefixed_property_css ( element , property , value , extra ) { element . style . cssText = prefixes . join ( property + ':' + value + ';' ) + ( extra || '' ) ; }
set_prefixed_property_css sets the property of a specified element
adding vendor prefixes to the NAME of the property.
@param {Element} element
@param {string} property The property name. This WILL be prefixed.
@param {string} value The value of the property. This will not be prefixed.
@param {string=} extra Additional CSS to append unmodified to the end of
the CSS string.
set_prefixed_property_css sets the property of a specified element adding vendor prefixes to the NAME of the property .