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.
<html>
<body>
<script language="JavaScript">
<!--
function doMath(){
var result = Math.LN10E;
document.form1.answer.value = result;
}
-->
</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()">
<br>
</form>
</body>
</html>