How to Prevent and Handle NaN Values in JavaScript Code

How to Prevent and Handle NaN Values in JavaScript Code

The NaN (Not a Number) value in JavaScript represents a failed numeric conversion or invalid mathematical operation. NaN can easily slip into code and cause unexpected errors if not properly handled. Here, we are going to discuss what causes NaN values, how to check for them, and tips on preventing issues from NaN in your JavaScript code through techniques like input validation, default values, and warnings for users. Read more