Global.parseFloat() : parseFloat « Global « JavaScript Tutorial






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  3. parseFloat

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>








8.10.parseFloat
8.10.1.Global.parseFloat()