What are JavaScript Math Functions?

The following are some of the Math Functions in JavaScript −

S.No	Method & Description
1	abs() Returns the absolute value of a number.
2	acos() Returns the arccosine (in radians) of a number.
3	asin() Returns the arcsine (in radians) of a number.
4	atan() Returns the arctangent (in radians) of a number.
5	atan2() Returns the arctangent of the quotient of its arguments.
6	ceil() Returns the smallest integer greater than or equal to a number.

Example

Let’s see an example of abs() Math function in JavaScript. The Math() function returns the absolute value of a number −

<html>
   <head>
      <title>JavaScript Math abs() Method</title>
   </head>
   <body>
      <script>
         var value = Math.abs(-1);
         document.write("First Value : " + value );
         
         var value = Math.abs(5);
         document.write("<br />Second Value : " + value );
         
         var value = Math.abs("string");
         document.write("<br />Third Value : " + value );
      </script>
   </body>
</html>