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BOOK: Beginning JavaScript and CSS Development with jQuery
This is the forum to discuss the Wrox book Beginning JavaScript and CSS Development with jQuery by Richard York; ISBN: 9780470227794
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Old July 1st, 2009, 08:10 PM
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Default javascript variable and file name rules in you sample codes

I am going to make jquery my javascript framework. So if I can, I want to get everything in good practice from day 1. And this book should be my reference by hands etc. Very good one.

Here are some questions

First, I noticed that in download codes, these javascript file names are with empty space and with upper case. I know it is from the book examples. But would that be better to use _ to replace empty space and make them all lower cases just like in real life projects?

Second, I notices that you name your javascript variables starting with dollar sign $, I didn't think about that before, and not saw many other programmers use this, but I think it is a good practice, specially for us php programmers. I am thinking about use that too in my javascript programming. Any other opinions you heard against using $ sign in the javascript variables?
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Old July 6th, 2009, 11:34 AM
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The naming conventions used for files in the book are the ones I like to use in my live projects. So, if you don't like spaces or capitalization, use whatever makes sense to you. As for whether it's good practice, well, that's subjective to your own personal opinion.

As for using dollar signs in your JavaScript variables, some people like dollar signs in JavaScript variables, some don't. There isn't really any technical advantage either way.

I've heard that some people have gravitated toward using dollar signs to name global variables, and not using a dollar sign for variables created in local scope (i.e., within a function or class method). I think that probably makes more sense. But, like I said in the book, my own habits came from PHP.

I'm sorry for the late reply, BTW, I noticed your post, but forgot to reply.
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