November 2005
Intermediate to advanced
496 pages
11h 9m
English
Content preview from Greasemonkey HacksBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Hack #1. Install a User Script
Greasemonkey won't do anything until you start installing user scripts to customize specific web pages.
A Greasemonkey user script is a single file, written in JavaScript, that customizes one or more web pages. So, before Greasemonkey can start working for you, you need to install a user script.
Tip
Many user scripts are available at the Greasemonkey script repository: http://userscripts.org.
This hack shows three ways to install user scripts. The first user script I ever wrote was called Butler. It adds functionality to Google search results.
Installing from the Context Menu
Here's how to install Butler from the context menu:
Visit the Butler home page (http://diveintomark.org/projects/butler/) to see a brief description of the functionality that Butler offers.
Right-click (Control-click on a Mac) the link titled "Download version…" (at the time of this writing, Version 0.3 is the latest release).
From the context menu, select Install User Script….
A dialog titled Install User Script will pop up, displaying the name of the script you are about to install (Butler, in this case), a brief description of what the script does, and a list of included and excluded pages. All of this information is taken from the script itself [Hack #2] .
Click OK to install the user script.
If all went well, Greasemonkey will display the following alert: "Success! Refresh page to see changes."
Now, search for something in Google. In the search results page, there is a line at the top ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.