frontend-technologies

frontend-technologies

Master modern web development with HTML, CSS, JavaScript, React, Vue, Angular, Next.js, TypeScript, and responsive design. Use when building web applications, optimizing UI performance, or learning frontend frameworks.

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Mis à jour 1/5/2026
SKILL.md
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name
frontend-technologies
description

Master modern web development with HTML, CSS, JavaScript, React, Vue, Angular, Next.js, TypeScript, and responsive design. Use when building web applications, optimizing UI performance, or learning frontend frameworks.

Frontend Technologies Skill

Quick Start - React with TypeScript

import React, { useState, useEffect } from 'react';

interface Props {
  title: string;
}

export function Example({ title }: Props) {
  const [count, setCount] = useState(0);

  useEffect(() => {
    document.title = `${title}: ${count}`;
  }, [count, title]);

  return (
    <div>
      <h1>{title}</h1>
      <p>Count: {count}</p>
      <button onClick={() => setCount(c => c + 1)}>
        Increment
      </button>
    </div>
  );
}

Core Technologies

Foundation

  • HTML5 semantic markup
  • CSS3 (Flexbox, Grid, animations)
  • JavaScript ES2020+
  • TypeScript for type safety

Frameworks

  • React 18+ with hooks
  • Vue.js 3+ composition API
  • Angular 16+ with RxJS
  • Svelte for compiler-based approach

Meta-Frameworks

  • Next.js - React with SSR, SSG, API routes
  • Nuxt - Vue with full-stack capabilities
  • SvelteKit - Svelte framework
  • Remix - Focus on web fundamentals

State Management

  • React Context API
  • Redux Toolkit
  • Zustand, Jotai, Recoil
  • Vue Composition API / Pinia
  • MobX, Akita

Styling

  • Tailwind CSS
  • CSS Modules & BEM
  • Styled Components / Emotion
  • SASS/SCSS

Build Tools

  • Vite (fast development)
  • Webpack (powerful bundling)
  • Turbopack (next-gen)
  • esbuild (transpilation)

Testing

  • Jest unit testing
  • React Testing Library
  • Cypress / Playwright E2E
  • Vitest for Vite projects

Best Practices

  1. Semantic HTML - Use correct elements for accessibility
  2. Responsive Design - Mobile-first approach
  3. Performance - Optimize Core Web Vitals
  4. Accessibility - WCAG 2.1 AA compliance
  5. Type Safety - Use TypeScript
  6. Code Quality - ESLint + Prettier
  7. Testing - Aim for 80%+ coverage
  8. Documentation - Storybook for components

Resources

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