JavaScript中帶有示例的Math.log10（）方法

JavaScript | Math.log10()方法 (JavaScript | Math.log10() Method)

Math operations in JavaScript are handled using functions of math library in JavaScript. In this tutorial on Math.log10() method, we will learn about the log10() method and its working with examples.

JavaScript中的數學運算是使用JavaScript中的數學庫函數處理的。在有關Math.log10()方法的本教程中，我們將學習log10()方法及其示例。

Math.log10() is a function in math library of JavaScript that is used to support math's operation of finding logarithm with base 10 of a number.

Math.log10()是JavaScript數學庫中的一個函數，用于支持數學以10為底的對數查找運算。

Syntax:

句法：

    Math.log10(n);

Parameter(s):

參數：

n – It takes only one value which is the number whose logarithm 10 (log₁₀) is to be found.
n –僅采用一個值，該值是要找到其對數10(log ₁₀ )的數字。

Return value:

返回值：

The return type of this method is number, it returns the log₁₀ of the given number.

此方法的返回類型為number ，它返回給定數字的log ₁₀ 。

Example 1: Finding the log₁₀ of number

示例1：查找數字的對數₁₀

<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<script>
document.write(Math.log10(3) + "<br>");
document.write(Math.log10(87) + "<br>");
document.write(Math.log10(100) + "<br>");
document.write(Math.log10(512));
</script>
</body>
</html>

Output

輸出量

JavaScript | Math.log10() method | Example 1

Example 2: finding log of a string.

示例2：查找字符串的日志。

<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<script>
document.write(Math.log10("Include help"));
</script>
</body>
</html>

Output

輸出量

JavaScript | Math.log10() method | Example 2

When a string is passed to the log₁₀() method. It returns NaN denoting the passed value is not a number.

將字符串傳遞給log ₁₀ ()方法時 。它返回NaN表示傳遞的值不是數字。

Example 3: Find the log of a complex number.

示例3：查找復數的日志。

<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<script>
document.write(Math.log10(1 + 2 i));
</script>
</body>
</html>

Output

輸出量

Invalid or unexpected token

翻譯自: https://www.includehelp.com/code-snippets/math-log10-method-with-example-in-javascript.aspx

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