January 2011
Intermediate to advanced
224 pages
5h 43m
English
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Some More Theory
Now that you are aware of the existence of arrays and objects, I can clarify a few issues that were glossed over before.
The arguments Object
Whenever a function is called, a special “magic” variable named arguments is added to the environment in which the function body runs. This
variable refers to an object that resembles an array. It has a property 0 for the first argument, 1 for the second, and so on, for
every argument the function was given. It also has a length
property.
However, the arguments object is not a real array—it does not have
methods like push, and it does not automatically update its length property when you add something to it. This is an unfortunate heritage of the haphazard way in which the language has grown. ...
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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.