What characters are valid for JavaScript variable names?

Question

Which characters can be used for naming a JavaScript variable?

I want to create a small \"extension library\" for my non-JavaScript users here at work (who all seem

Answer 1

Here is one quick suggestion for creating variable names. If you want the variable not to conflict when being used in FireFox, do not use the variable name "_content" as this variable name is already being used by the browser. I found this out the hard way and had to change all of the places I used the variable "_content" in a large JavaScript application.