The day I discovered it, I was really happy. Not happy as a fish in water but maybe happy as a cat having its meal (though it enormously depends of which cat we are talking about). Talking about bookmarklet to some of my friends, I saw that there were a lot of incomprehension about it. So I'll begin at the beginning.
What is a bookmarklet?
To add a bookmarklet, simply drag the link into your bookmark toolbar.
Why does it work?
It works because when a page is loaded in the browser (the client), it has complete power over it
How to do a bookmarklet
before it and void(0);
(just to be safe) after it
3. Tell the people to drag the link in their bookmark toolbar
How to import another JS in a bookmarklet
var script = document.createElement("script");
Now, let your creativity flow and make a great application.