Top "Userscripts" questions

Use the Tampermonkey tag if running Tampermonkey or Violentmonkey, use the "Greasemonkey-4" tag if running that engine on Firefox.

Gmail extension/gadget API - how to add a button to the compose toolbar?

I'm trying to figure out how can I add a button to the Gmail compose window. In "Gmail Labs" they …

google-chrome google-chrome-extension gmail userscripts gmail-contextual-gadgets
Possible to run userscript in IE11

I have a custom userscript that I'm running in Chrome and Firefox using Tampermonkey/Greasemonkey. Is there any way of …

javascript internet-explorer userscripts
Can a greasemonkey-type userscript be packaged as a Chrome extension?

Today Google changed the way userscripts are installed in Chrome. No longer can you just click on a link that …

google-chrome google-chrome-extension userscripts
Why is script.onload not working in a Chrome userscript?

I want to load another script file, in a site, using a userscript. But, the js.onload event doesn't work …

javascript google-chrome userscripts script-tag
Run Greasemonkey on html files located on the local filesystem?

I have an API documentation lying around on my Harddrive and to ease my workflow, I have written a simple …

javascript greasemonkey userscripts local-files
Firefox Or JavaScript, count the DOM

I'm sure this is simple but I have no idea how to do it. How do i count the amount …

javascript firefox dom bookmarklet userscripts
Why doesn't jQuery work in Chrome user scripts (Greasemonkey)?

Possible Duplicate: How can I use jQuery in Greasemonkey scripts in Google Chrome? I'm unable to get this user script …

jquery google-chrome userscripts
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
Chrome userscript error: "Unsafe JavaScript attempt to access frame"

// the iframe of the div I need to access var iframe = document.getElementsByTagName("iframe")[2]; var innerDoc = iframe.contentDocument || iframe.contentWindow.…

javascript google-chrome iframe greasemonkey userscripts