December 2007
Beginner to intermediate
300 pages
7h 49m
English
book
The Art & Science of JavaScript
by Cameron Adams, James Edwards, Christian Heilmann, Michael Mahemoff, Ara Pehlivanian, Dan Webb, Simon Willison
Content preview from The Art & Science of JavaScript
Chapter 3
Vector Graphics with
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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.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.
Chapter 3
Vector Graphics with canvas
Once upon a time, if you wanted to create graphics on the fly on the Web, you had three choices:
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Use server-side generation.
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Use Flash.
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Use Java.
Server-side generation works fairly well when you’re producing images for static data (stuff that won’t change once the page has loaded, like CAPTCHA images). However, the processing time needed to generate a server-side image, and the fact that the image has to be transferred between the server and the client, mean that you can’t use the server to create graphics that change in real time. This precludes the use of server-side generation in situations where we want the image to respond dynamically to user input, like mouse movements or keystrokes. ...
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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.