.. _global.parseFloat:

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global.parseFloat
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   :ref:`number` **parseFloat** (:ref:`string` **text**)


Parameters
----------

+----------+-----------------------------------------------------------+
| **text** | The string from which to extract a floating point number. |
+----------+-----------------------------------------------------------+



Description
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Extracts a floating-point number from a string.

Parses a string to find the first set of characters that can be converted to a floating point number, and returns that number, or NaN if it does not encounter characters that it can converted to a number.  The function supports exponential notation.