图片库的最终效果:
实现代码:
HTML:
<!DOCTYPE html><html lang=”en”><head><meta charset=”UTF-8″ /><meta http-equiv=”X-UA-Compatible” content=”IE=edge” /><meta name=”viewport” content=”width=device-width, initial-scale=1.0″ /><title>第219练</title><link rel=”stylesheet” href=”style.css” /></head><body><div class=”image-container”><img src=”https://picsum.photos/300?random=1″ /><img src=”https://picsum.photos/300?random=2″ /><img src=”https://picsum.photos/300?random=3″ /><img src=”https://picsum.photos/300?random=4″ /><img src=”https://picsum.photos/300?random=5″ /><img src=”https://picsum.photos/300?random=6″ /></div><button class=”btn”>点击加载更多</button><script src=”index.js”></script></body></html>
CSS:
body {margin: 0;display: flex;flex-direction: column;align-items: center;background-color: brown;}.image-container {text-align: center;}.image-container img {margin: 10px;border-radius: 10px;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);background-color: lightgray;width: 300px;height: 300px;}.btn {background-color: slateblue;border: none;padding: 10px 20px;margin: 20px;color: white;border-radius: 5px;box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);cursor: pointer;}.btn:hover {opacity: 0.9;}
JS:
const imageContainerEl = document.querySelector(“.image-container”);const btnEl = document.querySelector(“.btn”);btnEl.addEventListener(“click”, () => {imageNum = 10;addNewImages();});function addNewImages() {for (let index = 0; index < imageNum; index++) {const newImgEl = document.createElement(“img”);newImgEl.src = `https://picsum.photos/300?random=${Math.floor(Math.random() * 2000)}`;imageContainerEl.appendChild(newImgEl);}}
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