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Math.log() Method

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This function returns an implementation-dependent approximation of the natural logarithm of its parameter.

Syntax

Math.log(number)

Parameter	Description
number	A numeric literal or numeric variable

Returns

An implementation-dependent approximation of the natural logarithm of number.

Example

This example uses the Math.log() function to determine which number is larger: 999^1000 (999 to the 1000th power) or 1000^999 (1000 to the 999th power). Note that if you attempt to use the Math.pow() function instead of the Math.log() function with numbers this large, the result returned would be Infinity.

function Test_Click ()
{
   var x = 999;
   var y = 1000;
   var a = y*(Math.log(x));
   var b = x*(Math.log(y))
   if ( a > b )
      TheApplication().
         RaiseErrorText("999^1000 is greater than 1000^999.");
   else
      TheApplication().
         RaiseErrorText("1000^999 is greater than 999^1000.");
}

See Also

Math.E Property, Math.exp() Method, Math.LN10 Property, Math.LN2 Property, Math.LOG2E Property, Math.LOG10E Property, and Math.pow() Method

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