Optimize the sliding stuck problem of Vue mobile terminal

How to solve the problem of page sliding and lag in Vue development

In mobile development, we often encounter the problem of page sliding and lag. This problem will bring a bad experience to users, affecting the usability of the application and user retention rate. In order to solve the problem of mobile page sliding lag, we can consider the following aspects:

Optimize rendering performance:
First of all, we need to ensure that the rendering performance of the page is high enough. The Vue framework itself has been optimized for performance, but we can still optimize for specific problems. The following are some common optimization measures:

1. Reduce DOM operations: DOM operations are relatively slow, and frequent DOM operations will cause page lags. We can use Vue's virtual DOM to perform batch updates and reduce the number of DOM operations.
2. Avoid excessive calculations: Avoid using complex calculated properties in templates. You can place some time-consuming calculations in life cycle hook functions to avoid complex calculations during the rendering process.
3. Optimize the list: When rendering a large amount of list data, you can use Vue's v-for directive combined with the key attribute for performance optimization. In addition, third-party components such as vue-virtual-scroll-list can be used for infinite scroll optimization.

Optimize scrolling performance:
Scrolling is one of the main reasons why mobile pages freeze. In order to optimize scrolling performance, we can take the following measures:

1. Use the CSS attribute will-change: Set the style of the scrolling body to will-change: transform to enable hardware acceleration and improve the smoothness of scrolling. .
2. Use requestAnimationFrame: Using the requestAnimationFrame function instead of regular scrolling events can improve the smoothness of scrolling.
3. Use translate instead of top and left for position offset: When scrolling elements, use the CSS attributes translateX and translateY for position offset instead of using the top and left attributes. The translate attribute can use the GPU for hardware acceleration to improve scrolling performance.
4. Avoid frequent triggering of scrolling events: You can use the throttling function to limit the triggering frequency of scrolling events and reduce the number of executions of the callback function.

Optimize resource loading:
In mobile development, resource loading is also an important factor affecting page sliding performance. The following are some suggestions for optimizing resource loading:

1. Merge and compress resources: Combine individual small files into one large file and compress it to reduce the number of resource requests and file size.
2. Use font icons instead of images: Using font icons can reduce the loading of image resources and improve the page loading speed.
3. Use lazy loading: For resources such as images, you can use lazy loading to load them when scrolling to the corresponding position to avoid loading too many resources at once.
4. Use asynchronous loading: Use asynchronous loading to load some resources that do not affect page rendering to improve the loading speed of the first screen.

Conclusion:
Through the above optimization measures, we can significantly improve the smoothness of mobile page sliding and improve user experience. Of course, specific optimization strategies need to be adjusted and balanced based on specific projects and needs. I hope this article will help solve the problem of sliding lag on the mobile page.

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