<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <style> .pink-circle { width: 100px; height: 100px; border-radius: 50%; background-color: pink; position: relative; animation: circlePulse 2s infinite ease-in-out; } .heart1, .heart2 { position: absolute; background-color: white; border-radius: 50% 50% 0 0; } .heart1 { top: 20px; left: 25px; width: 30px; height: 30px;
代码功能分析 这段 HTML 代码创建了一个粉色圆形元素，内部包含两个白色的心形元素，并且为它们添加了动画效果。粉色圆形会进行缩放脉冲动画，两个心形会进行心跳动画。 代码优化建议 1. 添加浏览器前缀：为了确保动画在不同浏览器中都能正常显示，需要添加浏览器前缀。 2. 减少重复代码：可以将心形元素的公共样式提取出来，减少代码冗余。 优化后的代码 ```html <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <style> /* 粉色圆形样式 */ .pink-circle { width: 100px; height: 100px; border-radius: 50%; background-color: pink; position: relative; /* 添加浏览器前缀 */ -webkit-animation: circlePulse 2s infinite ease-in-out; animation: circlePulse 2s infinite ease-in-out; } /* 心形元素公共样式 */ .heart { position: absolute; background-color: white; border-radius: 50% 50% 0 0; transform: rotate(45deg); } /* 第一个心形样式 */ .heart1 { top: 20px; left: 25px; width: 30px; height: 30px; /* 添加浏览器前缀 */ -webkit-animation: heartBeat1 2s infinite ease-in-out; animation: heartBeat1 2s infinite ease-in-out; } /* 第二个心形样式 */ .heart2 { top: 30px; left: 40px; width: 20px; height: 20px; /* 添加浏览器前缀 */ -webkit-animation: heartBeat2 2s infinite ease-in-out; animation: heartBeat2 2s infinite ease-in-out; } /* 圆形脉冲动画 */ @-webkit-keyframes circlePulse { 0%, 100% { -webkit-transform: scale(1); transform: scale(1); } 50% { -webkit-transform: scale(1.1); transform: scale(1.1); } } @keyframes circlePulse { 0%, 100% { -webkit-transform: scale(1); transform: scale(1); } 50% { -webkit-transform: scale(1.1); transform: scale(1.1); } } /* 第一个心形心跳动画 */ @-webkit-keyframes heartBeat1 { 0%, 100% { -webkit-transform: rotate(45deg) scale(1); transform: rotate(45deg) scale(1); } 50% { -webkit-transform: rotate(45deg) scale(1.2); transform: rotate(45deg) scale(1.2); } } @keyframes heartBeat1 { 0%, 100% { -webkit-transform: rotate(45deg) scale(1); transform: rotate(45deg) scale(1); } 50% { -webkit-transform: rotate(45deg) scale(1.2); transform: rotate(45deg) scale(1.2); } } /* 第二个心形心跳动画 */ @-webkit-keyframes heartBeat2 { 0%, 100% { -webkit-transform: rotate(45deg) scale(1); transform: rotate(45deg) scale(1); } 50% { -webkit-transform: rotate(45deg) scale(1.1); transform: rotate(45deg) scale(1.1); } } @keyframes heartBeat2 { 0%, 100% { -webkit-transform: rotate(45deg) scale(1); transform: rotate(45deg) scale(1); } 50% { -webkit-transform: rotate(45deg) scale(1.1); transform: rotate(45deg) scale(1.1); } } </style> </head> <body> <div class="pink-circle"> <div class="heart heart1"></div> <div class="heart heart2"></div> </div> </body> </html> ``` 额外需要注意的逻辑点 1. 不同浏览器对动画的支持程度可能不同，添加浏览器前缀可以提高代码的兼容性，但需要注意前缀的使用规则。 2. 动画的时间和缩放比例可以根据实际需求进行调整，以达到不同的视觉效果。 3. 当修改元素的样式或动画时，要确保元素的布局和动画效果不会受到影响。 [2025-06-14 11:36:50 | AI写代码神器 | 1225点数解答]
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