Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我已经尝试阅读官方文档，我确信这是可能的——我只是在为如何去做而苦苦挣扎。
如何从用户选择的某些文本中获取坐标、宽度和高度？（“选定文本”是指用户用鼠标突出显示的文本）