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Questions tagged [browser-extension]

Browser extensions are additions to a browser that add to or improve some part of the browser's functionality.

Browser extensions are additions to a browser that add to or improve some part of the browser's functionality.

Consider including browser-specific tags to your question, such as:

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Asynchronous Promise and then()

I was going through the link https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Your_second_WebExtension. I could not understand the keyword then() in the choose_beast.js script. I know it is something related to promises in javascript. Can…
pc.97
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Alternative of cookies.onChanged in Microsoft Edge

I have an chrome extension and I am porting to Microsoft Edge now. I am using cookies.onChanged.addListener method in chrome. As Microsoft Edge does not support cookies.onChanged API what can be used as an alternative so that I can listen on any…
Sunil Kumar Naik
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Determine total CoAP message size

I have both a CoAP Server and Client I wrote in Java with the Californium library. I can get resources from the server both through the client or with Firefox with the Copper(Cu) extension. I want to get the total size of the response i get from the…
svdotbe
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web page Firefox plugin or extension

I'm building a small web app that should run in the background while the user browse the web, a dynamically added Iframe isn't an option since I can't reload it anytime the user refresh or switch page. while on Google Chrome this is pretty easy to…
Yaniv Golan
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Publish extension based on React js

Is there any option will not get extension reject on publish in google web store if i'll use react js code? Coz if i use minified js code , i cant success extension publish. And js source map didnt help at all . Did some one rich this ?
Alebid
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Roboform asks to save password

I perform authentication with passport.js. However after session is created, after each AJAX request RoboForm asks to save password. Can't figure out what could be the reason. Here are the headers: Request Headers Accept:/ Accept-Encoding:gzip,…
Maxim
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CComDispatchDriver InvokeN Returns Result with result.lVal = -858993460

I am trying to add Window.PostMessage listener for JavaScript Window.postMessage inside Atl BHO (c++). Code for adding event handler.. DISPID dispidAddEventListener = -1; if (FAILED(dispWindow.GetIDOfName(CComBSTR("addEventListener"),…
User123456
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How to make browser to redirect a specific URL to another specific URL?

in the other words, I want when I put http://YYY .org/t/1212 on Chrome/Firefox search bar the browser automatically changes the URL (aka redirect) to http://XXX .org/t/1212 Please guide me to write a simple extension to do that. UPDATE I personally…
John K
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indexing server in google chrome browser extension

Is it possible to start an indexing server (like SOLR) within a google chrome extension, so that the user can index files to the local server via the extension?
krautgortna
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Chrome extension how to open new window and send infromation from active tab

I'm trying to do something similar to Selenium IDE (Browser extension). I would like to: 1 Open new window 2 Record actions from active tab and send it to my new window But I'm doing something wrong because I'm receiving error Unchecked…
Oskar Woźniak
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How much do extensions generally increase loading times by? If an extension works on video players, how much will it increase buffering by?

If you have information regarding common browser extensions, feel free to share! If I were to have an extension that inspected a video element, perhaps the file itself and its contents, how much do you think that would delay buffering by (is there a…
nikhilautar
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Mobile: Accessing/sharing/modifying content/elements in other apps

Today in browsers, various mechanisms exist to access and modify a web page. These can be implemented normally via extensions who employ various DOM access technologies such as Mutation Observers. This feature, for example, allows an extension to…
MoMo
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MS Edge Iframe CSS

I am building cross browser extension and I am using jQuery to create iframe in document: $iframe = $("