Front‑End Updates: New CSS Viewport Units, MutationObserver, Faster Builds, Vue3 Tips

Industry Frontiers

Chrome releases new CSS viewport units: svh, lvh, dvh!

If you set an element’s height to 100vh expecting a perfect full‑screen element that adapts to viewport changes, the reality is often different.

The “New Wave” of JavaScript Web Frameworks

The greatness of the latest frameworks lies in their ability to scale up or down as needed. Their evolution pushes native web further, reducing the need for older frameworks and allowing deeper use of native features.

Project Management Process

How to Conduct Effective Requirement Reviews?

Inappropriate requirements are often subtle and surface late. Faulty requirements rarely blame the requester, yet correcting them falls on engineers, which feels unfair in the fast‑paced internet era.

Front‑End Technology and Architecture

Use a MutationObserver to Handle DOM Nodes that Don’t Exist Yet

MutationObserver is a new API that watches DOM structure changes, allowing developers to specify a callback that runs whenever the DOM tree changes, giving finer control over dynamic elements.

Add 3 Lines of Code to Reduce Build Time by 80%

After configuring a caching strategy, a simulated daily development change triggered an automatic build that dropped from over 20 minutes to just over 4 minutes, cutting total time by 80%. The optimization required only one Jenkins config line and three lines added to the Dockerfile.

I Believe This Is the Right Way to Reuse Code in Vue 3!

The Composition API and composable functions solve the problems of Vue 2 mixins and enable even more powerful patterns. They can be a double‑edged sword, depending on the developer’s skill—some write messy code, others write poetry.

Improving Technical Skills

How to Break Through Technical Bottlenecks (Suitable for Levels Below P6)

For newcomers to front‑end, the primary task is delivering business features; this work drives the most noticeable growth. The article helps those who have mastered business APIs and seek breakthroughs, encouraging them not to worry.

Cloud Classroom Front‑End Team welcomes you to join.

Cloud Classroom’s front‑end team is the largest within the organization, aiming to become a top‑tier national and regional technical team. We combine technology with business, foster a research‑driven atmosphere, and operate with an efficient, flat management model to build a high‑performance front‑end group.