Scale font-size until text fits within element

ScaleFontSizeToFit

function scaleFontToFit(element) {
            if (element) {
                // for an element
                var $element = $(element);
                if ($element.css("overflow") == "hidden") {

                    var elementHeight = $element.height();
                    var fontSize = parseInt($element.css("font-size"), 10);

                    var $fullElement = $(element).clone().css('overflow', 'visible').height('auto');
                    $element.after($fullElement);

                    if ($fullElement.height() > elementHeight) {
                        while ($fullElement.height() > elementHeight) {
                            fontSize -= 1;
                            $fullElement.css("font-size", fontSize);
                        }
                        $element.css("font-size", fontSize)
                    }                    
                }
            }
        };