CodeSky

I haven’t updated it for a long time. I originally wanted to update “Is the front end really dead”, but there happened to be some discussions at work, so I changed it to update the cache first. This article is suitable for: all kinds of engineers who don’t often design caches. background story A scene […]

I should have written this article in December, roughly because my colleagues need to do SDK development, and I require corresponding tests, but I am confused about how to design tests. I originally wrote an article as early as 19 years ago. Construct some meaningful tests , but from a certain point of view this

In the past few months, in addition to writing the back-end interface, most of the time I have been working on some front-end infrastructure, the establishment of technical solutions, and the coordination of the monitoring and alarm system of the entire link. In the entire link, SSR played a large part. There are many articles

The exposure buried point, as the name suggests, is the buried point reported when the element appears within the viewport. There are two main points here: within the viewport element is visible These two contents determine whether an element is exposed or not. Monitor exposure historical scheme In the past, the solution was not so