What are memory leaks in JavaScript and how can I prevent them?

What are memory leaks in JavaScript and how can I prevent them?

Memory leaks in JavaScript occur when the garbage collector cannot reclaim memory that is no longer needed, leading to increased memory usage.

What are some common causes of memory leaks in JavaScript?

Common causes include global variables, forgotten timers or callbacks, and closures that hold references to outer scope variables.

How can I detect memory leaks in my JavaScript application?

You can use browser developer tools to monitor memory usage and take heap snapshots to identify leaks.

Can you give me some tips on how to fix memory leaks?

To fix memory leaks, ensure to clear timers, remove event listeners, and avoid unnecessary global variables.