![Writing a performant client-side filter with [hidden] and trackBy](https://alldevblogs.blob.core.windows.net/thumbs/article-624b10b9828a-full-3b27f673.webp)
1/24/2022
•
EN
Writing a performant client-side filter with [hidden] and trackBy
Explores using the HTML [hidden] attribute with Angular's trackBy for smoother, more performant client-side filtering compared to *ngIf.