JavaScript Tutorial/Math/LOG10E
Math.LOG10E
The LOG10E property of the Math object calculates the base 10 logarithm of Euler"s constant.
The return value is approximately 0.434.
<source lang="javascript">
<html>
<body> <script language="JavaScript"> </script> <form name=form1> The Base 10 logarithm of Euler"s constant is: <input type="text" name="answer" size=20> <input type="button" value="Calculate" onClick="doMath()">
</form> </body> </html></source>