Blog articles tagged 'javascript'

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on 1/3/2011 4:29 PM
Following on from part 2 where I wrote a simple page with a canvas area where you can scribble, I thought I’d add a couple of new features: ability to show the image as PNG image so user can save it change the line cap change the line join change the shad[...]
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on 1/3/2011 10:25 AM
This is a neat trick I picked up the other day, you can create a dynamic class which takes in a set of properties in the constructor and dynamically generates Accessor and/or Mutation methods (you just have to choose which lines to leave out): In your cal[...]
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on 1/3/2011 9:55 AM
In C# and other similar general purpose languages, there are access modifiers which allow you to specify whether a particular property can be accessed/modified by everyone (public), only subclasses (protected) or only from within the same class (private).[...]
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on 1/3/2011 6:34 AM
Earlier I explored some of the basic drawing methods available on the 2D context of the new canvas element in HTML5, moving on from there, I’ve put together another quick demo here (see image below) which lets the user scribble inside the canvas element. [...]
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on 1/1/2011 1:32 PM
One of the cool new features introduced by HTML5 is the new <canvas> tag, which defines an area for you to draw graphics on using javascript. Basics To create a canvas element is as easy as inserting a <canvas> tag like this: Typically you will give it an[...]
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on 12/29/2010 4:33 AM
HTML5 includes two new ways to store data on the client – local storage and session storage. Local storage has no time limit on how long the data should be kept around, session storage on the other hand (as the name suggests) stores data for only one sess[...]
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