跨浏览器 JavaScript判断窗口是否最小化

 function isMinStatus() {
            var isMin = false;
            if (window.outerWidth != undefined) {
                isMin = window.outerWidth <= 160 && window.outerHeight <= 27;
            }
            else {
                isMin = window.screenTop < -30000 && window.screenLeft < -30000;
            }
            return isMin;
        }