Is it that all protocols implemented on top of TCP/ UDP are supported by chrome? Does HTTP/ HTTPS implementation somehow hides functioning SMTP or FTP in the background ? Do all browsers support ...

I'm using open source library for PDF documents from mozilla(pdf.JS). When i'm trying to open pdf documents with bad quality, viewer displays it with VERY BAD quality. But if I open it in reader...

i need to find alternative to "msSaveOrOpenBlob ", that work on IE, for Firefox and Chrome. On Chrome in particular that not work and don't show the dialog box to chose if save or open fi...

Ok, I know neither of these properties are completely supported yet, but I'm using them anyway :P When I add a border-radius and box-shadow (with and without vendor prefixes), the radius of the bo...

I have a Safari/Firefox/Chrome browser. My browser has devtools. Is there a way to happy send/edit websocket messages for existing connection? Or by plugin? Thank you

I am trying to load pdf from another server to the viewer of pdf.js in my server.I got error "PDF.js v1.4.20 (build: b15f335) Message: file origin does not match viewer's" I already check...

I am having problems understanding the concept of Array.map. I did go to Mozilla and Tutorials Point, but they provided very limited info regarding this. This is how I am using Array.map. It is a l...

I am trying to make MDN's Javascript Reference available for offline browsing (personal use). To spare me from running some sort of web crawler program or saving individual pages to create a ...

I am new to C and C++. I am trying to find small working example for any websocket library in C or C++ that can connect to websocket server. So, far I have explored, uWebsockets, libwebsockets, web...

I'm trying to load my content into an IFrame, so I implemented the Content-Security-Policy header: Content-Security-Policy: frame-ancestors http://*.example.com/abc.html. I am able to load the cont...

I'm using the following function to copy some text to my clipboard: navigator.clipboard.writeText('Text to be copied').then(function() { console.log('Template copied to clipboard') }, function() {...

Chrome and Safari are displaying a border around the image, but I don't want one. There is no border in Mozilla. I've looked through the CSS and HTML, and I can't find anything that is fixing it. ...

I have a fixed box where I want to display my PDF's in rendered by PDF.js. As PDF.js documentation is not really accessible (spitting through their source files), I'd like to know whether it's poss...

I have an artist page on my website and I am fetching particular artist feed from facebook widget. But I have recently updated jQuery minified version to the latest and it stopped working. This pro...

I' m trying to get notification for Mozilla. But it continuously throwing this error. The Notification permission may only be requested from inside a short running user-generated event handler....

I need to update localStorage when document.cookie changes. Is there any way to set a listener, overwrite a prototype to act as middleware or some other pattern that would result in the ability to ...

The below code of HTML <video id="video" class="video" height="400" width="400" playsinline autoplay muted loop></video> and JavaScript var video = document.getElementById("video"...

Until recently, one could conveniently download Mozilla's developer's documentation, developer.mozilla.org.tar.gz, for offline reading. However, Mozilla seems to have upgraded the documentation to ...

There's cases I when I want to run my front end as localhost and have it connect to a remote server for API requests. However, when trying to set cookies, Firefox won't allow it in cases where same...

I am using this code for finding current location latitude and longitude. $(document).ready(function() { if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(successFunction, e...

I'm trying to develop PDfViewer Application using Mozilla's PDF.js (example here). It would be great if there is any github project as a reference. Thanks inadvance!!

https://github.com/mozilla/readability (readability.js is for creating a read view for web pages) How can I implement readability.js to this test Webpage The problem is, readability.js deletes the...

This style works for e.g. chrome. p.ex1 { max-height: fit-content; height: 250px; border:solid 1px black; overflow: auto; } The intention is to use the whole height, with scrolling, if necessa...

When a site receives high traffic, the tab in Mozilla Firefox stops loading and displays this error message "PR_CONNECT_RESET_ERROR" as shown in screen shot. What I want is, the tab should conti...

I've been working with the voice/speech synthesis on Chrome and then I realized Firefox doesn't allow it by default and special permissions must be granted. By reading this article I could make th...