Microsoft® JScript Language Reference

Microsoft® JScript
parseFloat Function
See Also

Description

Converts String objects into floating point numbers.

Syntax

parseFloat( numstring )
The numstring argument is a String object that contains a floating point number.

Remarks

The parseFloat function returns an numerical value equal to the number contained in numstring. If numstring cannot be successfully parsed into a floating point number, NaN (not a number) is returned.

You can test for NaN using the isNaN function.

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