Frontend development fundamentally relies on core languages: HTML for structure, CSS for styling, and JavaScript for interactivity. For building dynamic user interfaces, developers widely adopt modern frameworks and libraries like React, Angular, or Vue.js. Essential workflow tools include build bundlers such as Webpack or Vite, and package managers like npm or Yarn for handling dependencies. Version control systems, notably Git, are crucial for collaborative projects, complemented by powerful Integrated Development Environments (IDEs) like VS Code. Finally, browser developer tools are indispensable for debugging, and various testing frameworks like Jest ensure robust code quality. More details: https://www.person.doae.go.th/person2011/sites/all/modules/pubdlcnt/pubdlcnt.php?file=https%3A%2F%2Fepi-us.com