![javascript - How do the map function that return an object with modified keys? (JS, React.js) - Stack Overflow javascript - How do the map function that return an object with modified keys? (JS, React.js) - Stack Overflow](https://i.stack.imgur.com/SSvPp.jpg)
javascript - How do the map function that return an object with modified keys? (JS, React.js) - Stack Overflow
![5 Reasons To Choose JavaScript Maps Over Objects For Storing Key-Value Pairs(With Examples) - DEV Community 5 Reasons To Choose JavaScript Maps Over Objects For Storing Key-Value Pairs(With Examples) - DEV Community](https://res.cloudinary.com/practicaldev/image/fetch/s--KWqoN3Kl--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/uploads/articles/qwrkz5px2ahdxa6i9d7b.png)
5 Reasons To Choose JavaScript Maps Over Objects For Storing Key-Value Pairs(With Examples) - DEV Community
![Lee Byron on X: "Y'all think I'm joking, but take a look at this side by side with React Loops vs mapping over an Object map. https://t.co/b9LPON7Vww" / X Lee Byron on X: "Y'all think I'm joking, but take a look at this side by side with React Loops vs mapping over an Object map. https://t.co/b9LPON7Vww" / X](https://pbs.twimg.com/media/D3HlkPSU8AA7Una.png)
Lee Byron on X: "Y'all think I'm joking, but take a look at this side by side with React Loops vs mapping over an Object map. https://t.co/b9LPON7Vww" / X
How to solve the Uncaught Error: Objects are not valid as a React child (found: object with keys {original, thumbnail})? If you meant to render a collection of children, can you use
![javascript - React "TypeError: Cannot read property 'state' of undefined" when inside "Map" - Stack Overflow javascript - React "TypeError: Cannot read property 'state' of undefined" when inside "Map" - Stack Overflow](https://i.stack.imgur.com/MrC5Q.png)