Using key props incorrectly in .map() lists
Using key props incorrectly in .map() operations is a common React anti-pattern that can lead to performance issues, state bugs, and unexpected rendering behavior. Here’s how to properly handle keys….
Tag: code debugging
Assigning a variable inside JSX without using curly braces
Correct Variable Usage in JSX In JSX, you can’t directly assign variables or execute statements without wrapping them in curly braces {}. Here’s how to properly handle variable assignment and….
Forgetting to export a component from its file
Handling Missing Component Exports in React A common mistake in React development is forgetting to export a component from its file, which leads to “Component not found” errors when trying….
Conflicting multiple default exports in the same file
Handling Multiple Default Exports in a Single File Having multiple default exports in one file is invalid JavaScript syntax and will cause errors. Here’s how to properly structure your exports:….