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Mapping between HTML5 and JavaScript features and Content Security Policy controls. If the Content-Security-Policy header is present in the server response, a compliant client enforces the declarative allowlist policy. One example goal of a policy is a stricter execution mode for JavaScript in order to prevent certain cross-site scripting attacks.
PDF.js is a JavaScript library that renders Portable Document Format (PDF) files using the web standards-compliant HTML5 Canvas. The project is led by the Mozilla Corporation after Andreas Gal launched it (initially as an experiment) in 2011.
NoScript can force the browser to always use HTTPS when establishing connections to some sensitive sites, in order to prevent man-in-the-middle attacks. This behavior can be triggered either by the websites themselves, by sending the Strict Transport Security header, or configured by users for those websites that don't support Strict Transport Security yet.
The files that free users can host on Neocities are restricted to HTML files, CSS files, Javascript files, Markdown files, XML files, text files, fonts and images. By upgrading to their paid plan, this restriction is removed. This restriction is in place to prevent it from becoming a "file dump". [15]
D3.js (also known as D3, short for Data-Driven Documents) is a JavaScript library for producing dynamic, interactive data visualizations in web browsers. It makes use of Scalable Vector Graphics (SVG), HTML5, and Cascading Style Sheets (CSS) standards. It is the successor to the earlier Protovis framework. [2]
If you've received an attachment in your email you want to save, you can download the file right to your computer. Download all attachments in a single zip file, or download individual attachments. While this is often a seamless process, you should also be aware of how to troubleshoot common errors. Emails with attachments can be identified ...
JavaScript Python MDN Web Docs , previously Mozilla Developer Network and formerly Mozilla Developer Center , is a documentation repository and learning resource for web developers .
Single file upload, and drag and drop of files onto browser [46] Support for single file upload and generation, [47] AIR only: full create/read/write access to file system [48] Bitmap manipulation Depends ~95% support for canvas element [49] Yes, via BitmapData class [50] Binary manipulation Yes Yes, via JavaScript Typed Arrays [51] Yes, via ...