Function prefixed

docs/app/js/sanddance-app.js:92734–92745

* get the prefixed property * @param {Object} obj * @param {String} property * @returns {String|Undefined} prefixed

(obj, property)

 * @param {String} property
 * @returns {String|Undefined} prefixed
 */ function prefixed(obj, property) {
        var prefix, prop;
        var camelProp = property[0].toUpperCase() + property.slice(1);
        var i = 0;
        while(i < VENDOR_PREFIXES.length){
            prefix = VENDOR_PREFIXES[i];
            prop = prefix ? prefix + camelProp : property;
            if (prop in obj) return prop;
            i++;
        }
        return undefined;
    }
    /**
 * get a unique id
 * @returns {number} uniqueId