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....isProtected() は false を返し、保護後は true を返します。 <!DOCTYPE html> < html...Project Example </ h1 > < input type = "file" id = "fileInput" accept...