JS_0004：JQuery 创建按钮 添加样式，和 事件的快捷方法 ，按钮淡入淡出

        $('<div class="close"></div>')
            .css({

                "width":"10vh",

                "height":"10vh",

                "top":"50%",

                "right":"0%",

                "transform": "translate(0, -50%)",

                "z-index":9999,

                "position":"absolute",

                "background-size":"contain",

                "background-repeat":"no-repeat",

                "background-position":"center right",

                "background-image":"url('common/images/theme/default/btn_styleR.png')",

                "background-color": "red"

              })
            .appendTo('body').on('click', function () {
                

                // 直接淡出

                $targetObj.toggle();

                // 原地渐变淡出

                $targetObj.fadeToggle(1000);

                // 向下滑动淡出

                $targetObj4.slideToggle("slow");

            });