In our face-paced modern society, who has time to click through pages and pages of content? “Not I,” said the web developer. In a world full of shortcuts, swipes and other gestures, the most efficient
上下滚动 scrollDown public boolean scrollDown()Scrolls down the screen.Returns:true if more scrolling can be performed false if it is at the end of the screen 滚动条进行向下操作 返回: true-如果可以进行滚动的话