Day 3: Advanced Error Handling & Reading Stack Traces

Daily Objective

Master custom Error classes and interpret stack trace locations to solve complex bugs.

1. Custom Errors

class ValidationError extends Error {
  constructor(message) {
    super(message);
    this.name = 'ValidationError';
  }
}

Daily Hands-on Practice (70%)

1. Throw and catch a custom error inside a validation function.