Sep 5, 2025 · 2 min read · When dealing with large lists in Angular, performance quickly becomes an issue. Rendering thousands of items with *ngFor will make the DOM heavy and scrolling sluggish. The solution is Virtual Scrolling — only rendering what’s visible in the viewport...
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Sep 3, 2025 · 9 min read · TL;DR: React spreadsheets can slow down with large Excel-like datasets. This guide covers performance optimization techniques like virtual scrolling, chunk processing, and manual formula calculation to ensure smooth, scalable web apps. Handling large...
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