JavaScript DHTML/Data Type/parse
parseFloat("1.23e-2")
<source lang="html4strict">
<html> <head> <title>Convert String to Number</title> </head> <body>
<script type="text/javascript"> var sNum = "1.23e-2"; document.writeln(parseFloat(sNum)); </script>
</body> </html>
</source>
parseFloat("1.45inch")
<source lang="html4strict">
<html> <head> <title>Convert String to Number</title> </head> <body>
<script type="text/javascript"> var fValue = parseFloat("1.45inch"); document.writeln("<p>" + fValue + "
");</script> </p> </body> </html>
</source>
parseInt("33.00")
<source lang="html4strict">
<html> <head> <title>Convert String to Number</title> </head> <body>
<script type="text/javascript"> var iValue = parseInt("33.00"); document.writeln("<p>" + iValue + "
");</script> </p> </body> </html>
</source>