*/
    function autoResizeTextarea() {
        var textarea = elements.chatInput[0];
        textarea.style.height = 'auto';
        textarea.style.height = Math.min(textarea.scrollHeight, 150) + 'px';
    }

    /**
     * Update character counter
     */
    function updateCharCount() {
        var count = elements.chatInput.val().length;
        var maxLength = 4000;

            return null;
        }
        try {
            return Integer.parseInt(value);
        } catch (final NumberFormatException e) {
            if (value.endsWith("%") || value.endsWith("px")) {
                return null;
            }
            return 0;
        }
    }

    /**
     * Creates a URL object from the current URL and a relative or absolute URL string.
     *