syntax:

ToNumber(value)

where:

value - to be cast as a number.

return:

number - conversion of value.

description:

The following table lists how different data types are converted by this function.

•

Boolean
+0, if value is false, else 1

•

Buffer
same as for String

•

null
+0

•

Number
same as value

•

Object
first, call ToPrimitive(), then call ToNumber() and return result

•

String
number, if successful, else NaN

•

undefined
NaN

see:

global.ToInteger(), global.ToInt32()