Function getEmSize

src/ElementQueries.js:39–45

* * @param element * @returns {Number}

(element)

         * @returns {Number}
         */
        function getEmSize(element) {
            if (!element) {
                element = document.documentElement;
            }
            var fontSize = window.getComputedStyle(element, null).fontSize;
            return parseFloat(fontSize) || 16;
        }

        /**
         * Get element size