Top "Greasemonkey" questions

OBSOLETE as of Firefox 57.

What is the Greasemonkey namespace needed for?

I'm learning how to use Greasemonkey, and was wondering what the @namespace metadata id is for. Does it have to …

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What's a simple way in Google Chrome to insert Javascript into sites?

I would like to be able to add custom snippets of javascript to any site that matches a regex. This …

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Basic method to Add html content to the page with Greasemonkey?

Is there a Greasemonkey method to append basic HTML content to the end of a page right after the <…

javascript html greasemonkey tampermonkey
Removing an anonymous event listener

Is there anyway to remove an event listener added like this: element.addEventListener(event, function(){/* do work here */}, false); Without …

javascript greasemonkey addeventlistener userscripts
How to use greasemonkey to selectively remove content from a website

The content I am trying to modify has a series of <div> entries, and within each of these …

javascript html greasemonkey webpage tampermonkey
can i remove the X-Requested-With header from ajax requests?

I wanted to know if anyone has had experience with trying to remove the 'X-Requested-With' header from the ajax request …

ajax jquery greasemonkey
How/Where to store data in a Chrome Tampermonkey script?

I wrote one Greasemonkey/Tampermonkey script for Facebook . I needed to store data to retrieve it later. For that I …

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Stop execution of Javascript function (client side) or tweak it

I want to stop the execution of one single line from a site, so that the whole page is read …

javascript greasemonkey
Using javascript for pinging a webapp to keep session open

I'm writing a greasemonkey script to keep session open on a webapp I use for work. Which javascript command would …

javascript session greasemonkey
console.log is not working when used in a Firefox, Greasemonkey script

My userscript prints some information using console.log(). This works fine in Chrome, but when I install this userscript in …

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