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Tampermonkey is a closed-source donationware [2] userscript manager that is available as a browser extension. This software enables the user to add and use userscripts , which are JavaScript programs that can be used to modify web pages .
These are typically built into browsers, in their DevTools window. Debuggers allow you to step debug (go through your JavaScript code line-by-line, hover over variables to see their values, etc.) Firefox - use Tools → JavaScript Console showing all JavaScript and CSS errors. Chrome and Edge - use Tools → Developer Tools.
A userscript manager, also known as a userscript engine, is a type of browser extension and augmented browsing technology that provides a user interface to run and organize userscripts. The main purpose of a userscript manager is to execute scripts on predetermined webpages as they are loaded, for example, running a userscript to modify only ...
One aspect of userscripts is that they can be shared. They can be uploaded to a userscript repository where they become available to other users for downloading. Historically (circa 2005–2011) userscripts.org, created by American programmer Jesse Andrews, was the largest such repository for userscripts.
First, make sure you are registered and logged in.Only logged-in users can install user scripts. to edit your common.js file.; Add the following line: {{subst:Lusc|script_path}} – replace "script_path" with the full name of the .js page that opens when a script's "(source)" link is clicked.
Install Greasemonkey for Firefox or Tampermonkey for Chrome Install wikEd by clicking this link and completing the installation popup window Optional: wikEd can be customized by adding user settings to the code, but these settings will be overwritten by updates
Compared to writing a full-fledged Firefox extension, user scripting is a very modest step up in complexity from basic web programming. However, Greasemonkey scripts are limited due to security restrictions imposed by Mozilla's XPCNativeWrappers [ 23 ] For example, Greasemonkey scripts do not have access to many of Firefox's components, such as ...
This page will collect various techniques for achieving common tasks needed in writing user scripts. Discussion about limitations, relative portability, and speed of the various alternatives is strongly encouraged.