What are the best practices for using ngFor in Angular?
An example of an AI chatbot conversation about best practices for using ngFor in Angular.
What are the best practices for using ngFor in Angular?
When using ngFor in Angular, it's important to use trackBy for better performance, especially with large lists.
Can you explain how trackBy works?
Sure! trackBy helps Angular identify which items have changed, are added, or are removed, improving rendering efficiency.
Are there any other tips for optimizing ngFor?
Yes! Avoid using ngFor on large datasets directly; consider pagination or virtual scrolling for better performance.
What about using ngIf with ngFor?
Using ngIf with ngFor can lead to performance issues. It's better to filter the data before passing it to ngFor.
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