Use of those keys is discouraged mainly by Greasemonkey’s lead developer. Most others, including the Tampermonkey team feel no need for such a warning. Also note that those directives are not always required for auto-updates to work. Some reasons why he would say that it was unusual and that “most” scripts should omit it: In … Read more
Update: For modern versions of Tampermonkey, Violentmonkey, Greasemonkey (but strongly recommended to avoid GM 4+): You can intercept alert() in most cases by using @run-at document-start. For example, load this script and then visit the test page: // ==UserScript== // @name _Overwrite Alert // @match *://output.jsbin.com/* // @grant none // @run-at document-start // ==/UserScript== var alrtScope; … Read more
The script should do these things: Detect if the current URL is already to the compact site. Load the compact version of the page if necessary. Beware of “anchor” URLS (they end with “fragments” or “hashes” (#…) ) and account for them. Keep the unwanted pages out of the browser history so that the back … Read more
Here is a complete script that does that. It uses jQuery for the :contains() selector. Update: Modified script to account for reported AJAX. // ==UserScript== // @name _Click on a specific link // @include http://YOUR_SERVER.COM/YOUR_PATH/* // @require http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js // @require https://gist.github.com/raw/2625891/waitForKeyElements.js // @grant GM_addStyle // ==/UserScript== /*- The @grant directive is needed to work around … Read more
To use Greasemonkey’s GM_ functions from code that must run in the page scope (Such as your timeBtn click handler), do the following: Have the page-scope code use postMessage to send the data in string format. Have the Greasemonkey script listen for the appropriate messages and call the desired GM_ function(s) with the message data. … Read more
Here is a framework for getting and storing login credentials.†The script prompts for the information on the very first run and stores it, encrypted, using GM_setValue(). It also adds two items to the Greasemonkey context menu to allow changing the username or password. // ==UserScript== // @name _Autologin, sensitive info framework // @include http://YOUR_SERVER.COM/YOUR_PATH/* … Read more
Although the (correct) answer is the duplicate, I’d like to point out a more advanced method – replacing loops with iterators, which effectively solves javascript “late-bound” closures problem. loop = function(start, end, step, body) { for(var i = start; i != end; i += step) body(i) } loop(1, 100, 1, function(i) { // your binding … Read more
As you know IE supports the fileSize property of an image. No such luck in other browsers … however, you should be able to modify this script: http://natbat.net/2008/Aug/27/addSizes/ It uses JSON to read HTTP headers of files and display their actual file size. That should help you prevent people uploading large animated GIFs. As for … Read more
Apparently, document.addEventListener() is unreliable, and hence, my error. Use window.addEventListener() with the same parameters, instead.
You can send key events, and anything listening for them will get them, but they will not change the input, so you will not see the letter A appear, for example. This is mostly a security thing; see “Manually firing events” for a discussion about that. So, if you want the letter to appear, you … Read more