How to use isNaN() method In Javascript
The isNan() method is used to check whether the given number is NaN or not. If isNaN() returns true for “number” then it assigns the value 0.
Example: In this example, we will check given number is NaN or not.
javascript
number = NaN; if (isNaN(number)) number = 0; console.log(number); |
Output
0
How to convert NaN to 0 using JavaScript ?
NaN (Not a Number) is usually used to indicate an error condition for a function that should return a valid number but it can be converted to 0 using JavaScript. We will discuss how to convert the NaN to 0.
Below are the approaches used to convert NaN to 0 using JavaScript:
Table of Content
- Using isNaN() method
- Using || Operator
- Using ternary operator
- Using Strictly Equality(===) operator
- Using the Double Tilde (~~) Operator