What is the decimal separator symbol in JavaScript?

Question

A thought struck me as I was writing a piece of JavaScript code that processed some floating point values. What is the decimal point symbol in JavaScript? Is it always

Answer 1

As far as I'm aware, javascript itself only knows about the . separator for decimals. At least one person whose judgement I trust on JS things concurs:

http://www.merlyn.demon.co.uk/js-maths.htm#DTS