Once a page grows complex, vanilla JavaScript turns into laborious "change data, find the DOM, update the DOM by hand" work. Frontend frameworks automate exactly that. This guide explains the three problems frameworks solve (components, reactivity, state), compares the core ideas of React/Vue/Svelte, and gives a framework-vs-vanilla-JS tradeoff table.
The Vue 3 Composition API with script setup has become the standard way to build components. This guide covers setup, reactive state, composables for logic reuse, async state handling and best practices for migrating from the Options API.
Webflow MCP 2.0 lets AI agents read and modify CSS design tokens, build components from screenshots, learn team conventions through skills and rules, and query site traffic in plain language.