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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:

680 questions
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Get DOM values in browser extension

I want to read a value of DOM element. I am new to browser extensions. I came across codes which provided help in executing a code in browser context but how do I fetch a value and use in extension's context? var value =…
Saba
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UserScript for removing some script tags

I want the UserScript which will remove all script tags (with some conditions) BEFORE then they will be loaded or executed. I tried using DOMContentLoaded and onload events, but they are executed after loading script on page...
Nibik Alexander
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Trigger-corp cross-browser extensions framework: IE refresh issue

I'm using OpenForge framework for creating cross-browser extensions, and I'm currently issue with their IE extension build. Trigger-corp browser extension: https://github.com/trigger-corp/browser-extensions/ My extension injects JavaScript in every…
GoR
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Using Kango API from iFrame

Using Kango, I have added an iFrame to a page. This iFrame points to an internal resource. I want this iFrame to be able to communicate with the background script. I would love to actually get the Kango API accessable from the iFrame, but if this is…
Mathflair
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create plugins to detect suspicious ajax

I want to make browser extension for Firefox that detect the ajax code of of website that load the hidden page and redirect to new page ,like if user visit index.php where ajax load the two pages one is hiddenpage.php and redirect to new.php . Is…
user3283549
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Browser highlight support for my very own protocol handler

I'm using a class to register my protocol, lets say lorem: to operating system. Its working perfect but I would like to do couple of things. I want to create something like Skype Click to Call. People will share uri's like lorem://12345678 and when…
Batuhan
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How can I remain on same page window on Chrome browser extension when it closes?

I'm developing a Chrome browser extension that that has different menu links that go to different pages in the extension. I noticed each time the extension closes I have to navigate back to the last page I was on in the extension. Is there a way to…
olimits7
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Is it possible to create a global Chromium extension which will update itself automatically?

We create extensions for Chrome, Firefox, Safari and Internet Explorer. We don't have an extension for Opera (yet), but I noticed that if I install the .crx file in Opera, everything works the same as in Chrome. I would like to know if we can create…
Uri
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How to make an HEAD Http request in Crossrider extension?

I would like to make a HEAD HTTP request to get filesize of the requested url, we can make HTTP GET requests using the below example code from Crossride Docs, my question is how to make a pure HEAD (with no data downloaded) request in…
Stacked
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Why page_action couldn't appear on pop-up windows?

I'm making a chrome extension and using page_action instead of browser_action because I need this extension for only one specific url. I'm using declerativeContent for activating the page_action; // When the extension is installed or upgraded…
Erdi İzgi
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CrossRider extension is not working on Internet Explorer 11, there is an error in the console

We are using CrossRider to develop an extension for Internet Explorer. I installed our production extension, and I received this error in the console: ---- JS Exception from: Client ---- Error: 'appAPI' is undefined Source: Microsoft JScript runtime…
Uri
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Accessing a local directory from a Chrome App

I am working on a Chrome extension called Chrome Snippets that will allow you to inject snippets of JavaScript from files but I am having trouble accessing local directories on the user's computer. Anyone have an idea of how to accomplish…
Adam
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Our files are not updated in CrossRider debug mode

We are using CrossRider to develop an extension for Internet Explorer. I tested our extension in debug mode, I changed the base URL of the Local File Paths - but the files are not updated after saving the new base URL - I see alerts from the…
Uri
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How do I find the file and line number of a CrossRider error?

We are using CrossRider to develop an extension for Internet Explorer. I tested our extension in debug mode on https://email14.secureserver.net/webmail.php?login=1, and I receive an error message. Which file does this error come from? We have many…
Uri
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Chrome Extension Permissions

I have been working on a Chrome Extension that injects Javascript on Youtube video pages, but for some reason, it is also injecting the JS on the homepage and other non video pages. I read through the Google documents for building a Chrome…
Derek
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