Comparison and Analysis of Express and Koa2 in nodejs, and comparison and analysis of nodejskoa2

Comparison and Analysis of Express and Koa2 in nodejs, and comparison and analysis of nodejskoa2

I can see a question: will Express be replaced by Koa2? . Just a little research on Express and koa, so I gave a simple answer.

1. Conclusion

At present, there are no signs that Express will be replaced by koa2.

At present, the Express ecosystem is more mature and the entry threshold is relatively low. From the download popularity of npm, the gap between the two is still large, and the monthly download volume of Express is about 40 times that of koa2.

However, the highlights of koa2 are attractive enough, and the ecosystem has begun to improve.

2. From the threshold of use

In terms of usage, Express is better for beginners. You can modify and modify the content on the official website.

Koa2 has a higher entry threshold than Express. A small problem brought about by a more streamlined kernel is that the user's capability to build blocks is more demanding. After all, even the Core routing functions are removed.

Let alone the most attractive async/await in koa2. Many beginners do not understand promise. async/await is difficult to use, and one of the most important parts of koa2 cannot be used.

3. From the general trend

As the node community grows, more and more students are involved in node Server programming. At that time, the requirements for the server framework will become higher and higher, and that time will be the battlefield for various enterprise-level solutions. The core is probably based on Express, koa2, or others.

As for Express and koa2, there will still be a huge market, and the version was unknown at that time.