I'm trying to make a javascript bookmarklet that will act as a highlighter, changing the background of selected text on a webpage to yellow when the bookmarklet is pressed.  I'm using the following code to get the selected text, and it work...

I want to find or make a bookmarklet that will validate the html content of a currently viewed page using the W3C HTML 5 validator.  I have found two bookmarklets and am trying to get one to behave a bit like one and a bit like the other, however I a...

I have this little bookmarklet:  javascript:document.getElementsByTagName("div")[0].innerHTML+="Chuck Norris";   Now it's obviously supposed to take the very first div on the page, and add Chuck Norris into it.  Instead, when past...

I want to create a Delicious bookmarklet in Firefox that bookmarks the current page with a predefined tag.  For proof of concept, if I enter this url, it works:  https://john:[email protected]/v1/posts/add?url=http://www.google.com&     descrip...

By searching here, I now have two bookmarklets, which switch from/to HTTP/HTTPS :-  javascript:location=location.href.replace(/http:/g,"https:")   And ...  javascript:location=location.href.replace(/https:/g,"http:")   But is there a...

In CoffeeScript, though this code is almost identical to JavaScript:  tabs_html = "<div id='nm-container'><ul><li><a href='#tabs-1'>Guidelines</a></li><li><a href='#tabs-2'>T...

This website:  http://nautil.us/  has a really annoying header that is always on screen and won't scroll away.  If I right-click on it and 'inspect element' in firefox, then I find that the css contains "position: fixed;", and if...

I quite like using bookmarks with small scripts in them.  For example, I have edited the note editing script from this post on Reddit to automatically save and load the last note via localstorage.  ...  window.addEventListener("load", functio...

I realize this isn't terrific from a security perspective but humor me.  Is there a way to create a bookmarklet that submits a form, such as a login form. For example, this works, but only if there is a page loaded in the current browser window:...

I often work with three variations of a web page, 1) a dev url, 2) a preview/staging url, and 3) and live url.   I would like to create a link (bookmarklet?) that I can then add to my bookmarks bar that will change part of the URL string (basically e...