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Introduction to using the exponential method Math.exp() in JavaScript_Basic knowledge

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Release： 2016-05-16 15:55:11

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This method returns Ex, where x is the parameter and E is the Euler-invariant, base of natural logarithms.
Grammar

Math.exp( x ) ;

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Here are the details of the parameters:

x : a number.

Return value:

Returns the exponent value of variable x

Example:

<html>
<head>
<title>JavaScript Math exp() Method</title>
</head>
<body>
<script type="text/javascript">

var value = Math.exp(1);
document.write("First Test Value : " + value ); 
 
var value = Math.exp(30);
document.write("<br />Second Test Value : " + value ); 

var value = Math.exp(-1);
document.write("<br />Third Test Value : " + value ); 

var value = Math.exp(.5);
document.write("<br />Fourth Test Value : " + value ); 
</script>
</body>
</html>

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This will produce the following results:

First Test Value : 2.718281828459045
Second Test Value : 10686474581524.462
Third Test Value : 0.36787944117144233
Fourth Test Value : 1.6487212707001282

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Related labels：

javascript math

source：php.cn

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