How to Fix: What is the difference between `throw new Error` and `throw someObject`?
How to handle custom errors in JavaScript and achieve effective error handling.
📋 Table of Contents
When creating a custom error handler, it's essential to understand the difference between throwing an instance of the built-in Error class and passing a custom object.
🛑 Root Causes of the Error
- The issue arises from how JavaScript handles objects in error messages.
- When you throw an instance of
Error, it includes a string representation of the object, which is why you see '[object Object]' in your console log.
🛠️ Step-by-Step Verified Fixes
Method 1: Understanding the Error Class
- Step 1: Use the
Errorconstructor to throw a custom error with a meaningful message.
Method 2: Customizing Error Messages
- Step 1: Create a custom error object with the desired properties and values.
✨ Wrapping Up
To effectively handle errors in your code, remember to use the Error class when throwing custom exceptions and provide meaningful error messages.
❓ Frequently Asked Questions
🛠️ Related Fixes
How to Fix: Stuck in tutorial hell after 4 years: How do I b
Learn to build websites and think independently with coding skills.
How to Fix: Trying to sync mutliple audio tracks to a movie
Complex audio track synchronization can be challenging due to the larg
How to Fix: Failed to merge latest branches from upstream re
Update local repository with latest upstream branches.