Top "Tampermonkey" questions

Tampermonkey is a userscript manager for Google Chrome, Microsoft Edge, Safari, Opera Next, and Firefox.

Run a Greasemonkey script only once per page load?

If you create a Greasemonkey script with @include * and go to a site like youtube, it runs the script 20+ times …

javascript greasemonkey tampermonkey
Tampermonkey jQuery require not working

I am trying to modify a piece of code I wrote for Grease Monkey to make it compatible with Tampermonkey. …

javascript jquery ajax tampermonkey
Can a website know if I am running a userscript?

Can, for example, Facebook.com run a version control script on my browser and find out if I am running …

javascript facebook greasemonkey userscripts tampermonkey
What is the difference between @include and @match in userscripts?

The GreaseSpot page on metadata blocks says that the two are very similar but @match "sets more strict rules on …

javascript greasemonkey userscripts tampermonkey
How to update tampermonkey script to a local file programmatically?

For security reasons, Tampermonkey scripts are not saved in accessible files, but in a plugin data. The only way to …

javascript tampermonkey
Userscripts vs. Chrome Extension

I am developing an extension that will read HTML elements value, then make API calls to an external website, get …

google-chrome-extension userscripts tampermonkey
Where does GM_setValue store data?

Where does GM_setValue store the data to in chrome. I've tried to determine where the data is going but …

google-chrome tampermonkey
Why is usage of the downloadURL & updateURL keys called unusual and how do they work?

I was reading GM's wiki to determine the difference between @downloadURL & @updateURL (which I didn't). But what confused me …

greasemonkey userscripts tampermonkey
onclick added with Tampermonkey is not calling the function?

If I create a div programmatically with Tampermonkey: HTML: <div onclick="myfunc()"/> script: function myfunc() { alert("clicked"); } then …

javascript jquery onclick tampermonkey
Jquery with Tampermonkey

So my console is giving me this message - The page at https://en.wikibooks.org/wiki/Vehicle_Identification_Numbers_(…

jquery greasemonkey tampermonkey