What is a watcher in Vue.js? When would you use one?

What is a watcher in Vue.js? When would you use one?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: hard

标签: interviewbit, vue-js, topic-specific, vue, javascript, frontend

参考答案摘要

In Vue.js, a watcher is a special object that allows us to watch for changes in a specific data property, and perform some action when that property changes. Watchers are a key part of Vue.js's reacti...

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