俄乌战争又有重磅消息。 时隔三个月，俄特别军事行动领导机构再度换帅。 总参谋长直接指挥
Im looking for a way, in javascript, to calculate the size of the browser (px) then calculate the size of a <div> taking away 50px from that full screen size:
加载中,请稍侯......