What are some techniques to optimize ngFor in Angular?
An example of an AI chatbot conversation about optimizing ngFor in Angular applications.
What are some techniques to optimize ngFor in Angular?
To optimize ngFor, you can use trackBy, limit the number of items rendered, and avoid complex expressions in the template.
Can you explain how trackBy works?
Sure! trackBy helps Angular identify which items have changed, are added, or are removed, improving performance.
What about using *ngIf with ngFor? Is that a good practice?
Using *ngIf with ngFor can be useful, but it may lead to performance issues if not managed properly. It's best to minimize its use.
Are there any other performance tips for Angular?
Yes, consider using OnPush change detection strategy, lazy loading modules, and optimizing your component structure.
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