Makes a string or other JScript object into a number.
Syntax
myNumber = TONUMBER(oObject); 
Parameters

oObject

Required. A JScript object. Usually it would be a string, that needs to be converted to a number. It can also be a number.

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Return Value

Number

Required. The returned number

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Example
Convert the string "12.5" into a number
var myNumber = TONUMBER("12.5");