JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Backup Data / 247

The video tutorial addresses common data issues such as missing images and source information. It provides a solution for handling missing images by using backup images from Unsplash and demonstrates how to implement this using a ternary operator. The tutorial also covers testing the solution to ensure it works correctly. Additionally, it discusses handling missing source information and the flexibility of using URLs instead of IDs in datasets. The overall goal is to prepare viewers to manage data issues effectively.

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