Syntax
paraseFloat(string)
The parseFloat() method is used to convert a string to a number.
<html> <body> <script language="JavaScript"> <!-- document.write("The string 1245.31 converted is" + parseFloat("1245.31") + "<br>"); if( isNaN(parseFloat("test")) ){ document.write("Cannot convert test string to a number."); } --> </script> </body> </html>