JavaScript Tutorial/Math/LOG2E
Math.LOG2E
The LOG2E property of the Math object calculates the base 2 logarithm of Euler"s constant.
The return value is approximately 1.442.
<source lang="javascript">
<html>
<body> <script language="JavaScript"> </script> <form name=form1> The Base 2 logarithm of Euler"s constant is: <input type="text" name="answer" size=20> <input type="button" value="Calculate" onClick="doMath()">
</form> </body> </html></source>
The value of the Logarithm to base 2 of E: Math.LOG2E
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<html> <head> <title>The Properties of the Math object</title> <script type="text/javascript" language="javascript">
</script> </head> <body onload="DisplayMath()"> </body> </html></source>