Javascript Math.abs() method is used to return the absolute value of a number. It takes a number as its parameter and returns its absolute value.
Syntax:
Math.abs(value)
Parameters: This method accepts a single parameter as mentioned above and described below:
- value: The number whose absolute value is to be found is passed as the parameter to this function.
Returns: Absolute value of the number passed as a parameter. The below examples illustrate the Math abs( ) method in JavaScript:
Below is an example of the Math abs() method.
Example 1: This example shows the use of the Math.abs() method in javascript.
JavaScript
console.log(Math.abs(2)); console.log(Math.abs(2.56)); |
2 2.56
Example 2: This example shows the return value of Math.abs() method when the parameter is a string value.
JavaScript
console.log(Math.abs( "Geeksforneveropen" )); |
NaN
Example 3: This example shows the return value of Math.abs() method when the parameter is an arithmetic expression.
JavaScript
console.log(Math.abs(7+9)); |
16
Errors and Exceptions:
- A non-numeric string passed as a parameter returns NaN.
- An array with more than 1 integer passed as a parameter returns NaN.
- An empty variable passed as a parameter returns NaN.
- An empty string passed as a parameter returns 0.
- An empty array passed as a parameter returns 0.
We have a complete list of Javascript Math Objects methods, to check those please go through this Javascript Math Object Complete reference article.
Supported Browsers:
- Google Chrome 1 and above
- Firefox 1 and above
- Opera 3 and above
- Safari 1 and above