JavaScript Math PI Property
Below is the example of the Math PI Property.
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- Example:
Javascript
<script> // Here value of Math.PI is printed. document.write(Math.PI);</script> |
Output:
3.141592653589793
The Math.PI is a property in JavaScript which is simply used to find the value of Pi i.e, in symbolic form Π which is nothing but it is the ratio of the circumference of a circle to its diameter, whose value is approximately 3.141. It is mainly used in a mathematics problem.
Syntax:
Math.PI
Return values: It simply returns the value of PI i.e, Π
Below example illustrates the Math PI property in JavaScript.
Example: Here simply value of PI i.e, Π is shown as output.
Input : Math.PI Output : 3.141592653589793
More codes for the above property are as follows:
Program 1:Value of PI i.e, Π can be printed as in the form of function as shown below.
Javascript
<script> // function is being called. function get_Value_of_PI() { return Math.PI; } // function is calling. document.write(get_Value_of_PI());</script> |
Output:
3.141592653589793
Program 2: Here we consider Math.PI as a function but in actual it is a property that is why error as output is being shown.
Javascript
<script> // Here we consider Math.PI as a function but // in actual it is a property that is why error // as output is being shown. document.write(Math.PI(12));</script> |
Output:
Error: Math.PI is not a function
Program 3: Whenever we need to find the value of anything related to PI that time we take the help of this property. In mathematics, it needed a lot. Here we are going to find the value of the area of a circle with the given value of its radius.
Javascript
<script> // function is being called with radius 5 as a parameter. function area_of_circle(radius_of_the_circle) { return Math.PI * radius_of_the_circle * radius_of_the_circle; } // Here area of the circle is 5 unit. document.write(area_of_circle(5));</script> |
Output:
78.53981633974483
Supported Browsers:
- Google Chrome
- Internet Explorer
- Firefox
- Opera
- Safari
