Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....alert('page 2 is opened')" ) # 在页面级别添加 JavaScript...JavaScript doc . getPages . get_Item ( 2 ) doc . getActions () . setOnOpen...