Best JavaScript for your browser

Basically, JavaScripts are the prerogative of the creator of an internet site but you can execute them locally so you can change\improve the navigation experience of an internet site. For a long time, the reference site on which to search for any kind of JavaScript was userscrips.org but since it has been closed you can search them on greasyfork.org and on userscripts-mirror.org.

In order to use JavaScript, you obviously have to install the interpreter on your browser, GreaseMonkey for Firefox, TamperMonkey for Chrome.

Here are the best JavaScripts: