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想象这样一个场景:你打开一个电商网站,商品图片像变魔术一样自动轮播,鼠标悬停时按钮突然“活”了过来,点击后甚至有粒子特效飞溅,这种“上头”的交互体验,正是JavaScript特效的魔力!在2025年的今天,用户对网页的期待早已不是“能看就行”,而是“要爽到指尖颤抖”,本文将手把手教你用现代JavaScript技术,打造让用户忍不住发朋友圈炫耀的网页特效!
arr.values().drop(10).take(10)...
实现“零临时数组”操作,Safari 15.4+已支持structuredClone()
直接深拷贝循环引用对象,JSON.stringify可以退休了场景 | 推荐库 | 亮点特性 |
---|---|---|
复杂交互动画 | GSAP 4.0 | 时间轴控制、滚动触发、物理模拟 |
轻量级SVG动画 | Anime.js 3.2 | 20KB体积、支持时间轴回调 |
3D场景构建 | Three.js R150 | 模型加载、光影系统、VR支持 |
React生态专属 | Framer Motion 6 | 弹簧动画、手势交互、布局过渡 |
div class="slider"> <img src="img1.jpg" class="active"> <img src="img2.jpg"> <button class="prev">‹</button> <button class="next">›</button> </div> <script> const slides = document.querySelectorAll('.slider img'); let current = 0; function showSlide(n) { slides.forEach((slide, i) => slide.style.opacity = i === n ? 1 : 0 ); } document.querySelector('.next').addEventListener('click', () => showSlide(current = (current + 1) % slides.length) ); </script>
opacity + transition
替代jQuery动画,帧率提升40%setInterval(() => current++, 3000)
+ 鼠标悬停暂停resize
事件动态计算容器宽度.magic-btn { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); background: linear-gradient(45deg, #ff6b6b, #ff8e53); } .magic-btn:hover { transform: translateY(-3px) scale(1.05); box-shadow: 0 10px 20px rgba(255,107,107,0.3); }
const observer = new IntersectionObserver((entries) => { entries.forEach(entry => { if (entry.isIntersecting) { entry.target.classList.add('animate'); } }); }, { threshold: 0.5 }); document.querySelectorAll('.scroll-trigger').forEach(el => observer.observe(el));
DocumentFragment
减少重绘次数event.target
代替给每个元素绑定事件import('./module.js').then(...)
实现按需加载import * as THREE from 'three'; const scene = new THREE.Scene(); const camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000); const renderer = new THREE.WebGLRenderer(); // 创建3D卡片 const geometry = new THREE.BoxGeometry(2, 2, 0.2); const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 }); const cube = new THREE.Mesh(geometry, material); scene.add(cube); // 添加轨道控制 const controls = new THREE.OrbitControls(camera, renderer.domElement); camera.position.z = 5; function animate() { requestAnimationFrame(animate); cube.rotation.x += 0.01; cube.rotation.y += 0.01; renderer.render(scene, camera); } animate();
const canvas = document.getElementById('particles'); const ctx = canvas.getContext('2d'); class Particle { constructor() { this.x = canvas.width/2; this.y = canvas.height/2; this.vx = Math.random()*4-2; this.vy = Math.random()*4-2; } draw() { ctx.beginPath(); ctx.arc(this.x, this.y, 3, 0, Math.PI*2); ctx.fillStyle = `hsl(${Math.random()*360}deg, 70%, 60%)`; ctx.fill(); } } const particles = Array(100).fill().map(() => new Particle()); function animate() { ctx.clearRect(0, 0, canvas.width, canvas.height); particles.forEach(p => { p.x += p.vx; p.y += p.vy; p.draw(); }); requestAnimationFrame(animate); } animate();
transform/opacity
,慎用JS操作样式removeEventListener
touch-action: manipulation
禁用双击缩放@supports
规则做特性检测打开你的编辑器,让代码在指尖跳舞吧!最好的特效不是炫技,而是让用户在不知不觉中完成交互目标,下一个让用户惊呼“哇塞”的网页,可能就出自你手!🚀
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