I think it depends what your motivation is. For example, in the mobile web sector what you are attempting to do is provide the user with something that looks sensible on their platform. Why be concerned about what user-agent the user is reporting, when it is purely for their own benefit? If they go to … Read more
Browsers do not yet support XSLT 2.0, natively. Saxon 9 CE is a JavaScript-based XSLT 2.0 implementation. Frameless is another, more light-weight XSLT 2.0 implementation in the browser, supporting large parts of the XSLT 2.0 and XPath 2.0 functionality See also: How can I make XSLT work in chrome? https://developer.mozilla.org/en/docs/XSLT_2.0 http://blogs.msdn.com/b/dareobasanjo/archive/2004/05/13/131166.aspx
You can use the opensource Forge project to do this. It implements SSL/TLS in JavaScript. You can make an ajax call to the server and use a callback to inspect the certificate. Keep in mind that the server is the one sending the JavaScript so this shouldn’t be used to determine whether or not you … Read more
As of Chrome 73, there’s explicit support for media keys, see https://developers.google.com/web/updates/2019/02/chrome-73-media-updates In summary, you can install an event handler with navigator.mediaSession.setActionHandler(‘previoustrack’, function() { // User hit “Previous Track” key. }); The document above gives a good overview. https://googlechrome.github.io/samples/media-session/ has example code and a demo. https://developer.mozilla.org/en-US/docs/Web/API/Media_Session_API has more detailed documentation.
The number of streams that client and server can initiate isn’t unlimited, it’s mandated by the SETTINGS_MAX_CONCURRENT_STREAMS parameter of the SETTINGS frame that each peer sends at the beginning of the connection: see section 6.5.2 of RFC 7540 The default is unlimited, and the RFC has the following recommendation: It is recommended that this value … Read more
When not repeating the background image, the time required to render depends on only the final scaled image, not the original one. The image in a file is compressed as PNG format, but after being loaded by browser, it is in RGBA bitmap format (4 bytes for a pixel). When repeating a background, (let say … Read more
Warn/confirm User if Back button is Pressed is as below. window.onbeforeunload = function() { return “Your work will be lost.”; }; You can get more information using below mentioned links. Disable Back Button in Browser using JavaScript I hope this will help to you.
browse-url-of-file is an interactive compiled Lisp function in `browse-url.el’. It is bound to <menu-bar> <HTML> <Load this Buffer in Browser>, C-c C-z v. (browse-url-of-file &optional file) Ask a WWW browser to display file. Display the current buffer’s file if file is nil or if called interactively. Turn the filename into a URL with function browse-url-file-url. … Read more
CSS rendering is an interesting topic and all the competitors are thriving hard to speed up the view layer (HTML and CSS) rendering to deliver the best results to the end users at a blink of an eye. Firstly, yes different browsers have their own CSS parser/Rendering engines Google Chrome, Opera (from version 15) – … Read more