JavaScript | Math.PI屬性 (JavaScript | Math.PI Property)
Math.PI is a property in math library of JavaScript that is used to find the value of PI(π) which is a mathematical constant whose value is 3.141. It is generally used to solve problems related to circular figures.
Math.PI是JavaScript數學庫中的一個屬性,用于查找PI(π)的值, PI(π)是一個數學常數,值為3.141 。 它通常用于解決與圓形圖形有關的問題。
Syntax:
句法:
Math.PI
Parameter(s):
參數:
N/A
不適用
Return value:
返回值:
The return type of this method is number, it returns the value of PI(π).
該方法的返回類型為number ,它返回PI(π)的值。
Browser support: Chrome, Internet explorer, Mozilla, Safari, Opera mini.
瀏覽器支持: Chrome,Internet Explorer,Mozilla,Safari,Opera mini。
Example 1:
范例1:
console.log(Math.PI);
Output
輸出量
3.141592653589793
Example 2: Invalid values
示例2:無效值
console.log(Math.PI("Javascript"));
Output
輸出量
Uncaught TypeError: Math.PI is not a functionat <anonymous>:1:18
翻譯自: https://www.includehelp.com/code-snippets/math-pi-property-with-example-in-javascript.aspx