初中階 1. requestAnimationFrame 和 setTimeout 的差異？ // setTimeout：固定時間後執行，不管瀏覽器在不在渲染 setTimeout(() => updateDOM(), 16); // 希望模擬 60fps // rAF：在瀏覽器下一次渲染前執行 requestAnimationFrame(() =>
read more
座標系統 SVG — 聲明式座標系，內建視窗變換 <!-- viewBox 定義世界座標，瀏覽器自動映射到元素尺寸 --> <svg width="400" height="300" viewBox="0 0 1000 750"> <circle cx="500" cy="375" r="50" /> <!-- 世界座標 --> </svg> SVG 的 viewBox 就是一個內建的
read more
Howard Lee, Frontend-engineer with Typescript, JavaScript, HTML, CSS, Angular 19+, ReactJS, Next.js, GraphQL, Tanstack Query, Material-UI, Cypress, Postgres, Amazon Web Services, Google Cloud Platform Docker and TestCafe. Have a certificate of AWS Solution Architect Associate with verify number: 8FYNL55LCEEQ10W5. You can verify at AWS Certificate site or Credly site Tech lead role Lead 4 colleagues to build products and infrastructure Coordinate schedule of delivering products Senior web frontend developer role Products Team-management, form-filling, form-sharing, file-management, repair-management and project-management for construction industry at Suiqui IoT management and EC platform for Liquid Petroleum Gas(LPG) at Wave-In Comm.
Know More