How to resolve data rendering lag in Uniapp?

The lagging in rendering data on Uniapp may occur due to reasons such as loading large amounts of data, complex page structures, or insufficient performance. Try the following methods to resolve the issue:

1. Lazy loading of data: loading data in batches, only loading the data needed to display the current page, reducing the lag caused by loading a large amount of data at once.
2. Page optimization: reduce complex structures or nested levels within the page, simplify the layout and style, and minimize rendering complexity.
3. Image optimization: Compress and optimize images on the page, aiming to reduce both the size and quantity of images.
4. Utilize the list components provided by Uniapp: Uniapp offers optimized list components such as uni-list and uni-scroll-view, which can enhance the rendering performance of lists.
5. Reduce the frequency of triggering page updates to avoid frequent updates, such as avoiding using watch to monitor a large amount of data changes.
6. Asynchronous operations involve putting time-consuming tasks into asynchronous tasks to avoid blocking the main thread’s rendering.
7. By using the performance analysis tool provided by UniApp, developers can pinpoint performance bottlenecks and further optimize page performance.

By following the above methods, we can effectively resolve the issue of lagging data rendering in Uniapp, thus improving the rendering performance of the pages and enhancing the user experience.