Why does Firebug say toFixed() is not a function?

Question

I am using jQuery 1.7.2 and jQuery UI 1.9.1. I am using the code below within a slider. (http://jqueryui.com/slider/)

I have a function that should test two values a

Answer 1

That is because Low is a string.

.toFixed() only works with a number.

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Try doing:

Low = parseFloat(Low).toFixed(..);