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给你的网站添加一个Loading加载动画 Loading动画作用网站添加Loading动画可有效防止部分浏览器打开网页后因为有些静态资源还没有加载完毕导致的闪屏、白屏、花屏、错误排版等BUG效果展示:Loading动画代码:<!-- loading开始 --> <style>#loading-animation{background-color:#fff;height:100%;width:100%;position:fixed;z-index:99999999999999999999999999999999999999999999999;margin-top:0px;top:0px;}#loading-animation-center{width:100%;height:100%;position:relative;}#loading-animation-center-absolute{position:absolute;left:50%;top:50%;height:200px;width:200px;margin-top:-100px;margin-left:-100px;}.loading_object{-moz-border-radius:50% 50% 50% 50%;-webkit-border-radius:50% 50% 50% 50%;border-radius:50% 50% 50% 50%;position:absolute;border-left:5px solid #87CEFA;border-right:5px solid #FFC0CB;border-top:5px solid transparent;border-bottom:5px solid transparent;-webkit-animation:animate 2.5s infinite;animation:animate 2.5s infinite;}#loading_one{left:75px;top:75px;width:50px;height:50px;}#loading_two{left:65px;top:65px;width:70px;height:70px;-webkit-animation-delay:0.1s;animation-delay:0.1s;}#loading_three{left:55px;top:55px;width:90px;height:90px;-webkit-animation-delay:0.2s;animation-delay:0.2s;}#loading_four{left:45px;top:45px;width:110px;height:110px;-webkit-animation-delay:0.3s;animation-delay:0.3s;}@-webkit-keyframes animate{50%{-ms-transform:rotate(180deg);-webkit-transform:rotate(180deg);transform:rotate(180deg);}100%{-ms-transform:rotate(0deg);-webkit-transform:rotate(0deg);transform:rotate(0deg);}}@keyframes animate{50%{-ms-transform:rotate(180deg);-webkit-transform:rotate(180deg);transform:rotate(180deg);}100%{-ms-transform:rotate(0deg);-webkit-transform:rotate(0deg);transform:rotate(0deg);}}</style><div id="loading-animation"><div id="loading-animation-center"><div id="loading-animation-center-absolute"><div class="loading_object" id="loading_four"></div><div class="loading_object" id="loading_three"></div><div class="loading_object" id="loading_two"></div><div class="loading_object" id="loading_one"></div></div></div></div><script>!function(){function e(){setTimeout(()=>{$("#loading-animation").fadeOut(540)},500)}window.jQuery?$(document).ready(()=>{e()}):document.onreadystatechange=(()=>{"interactive"===document.readyState&&e()})}();</script> <!-- loading 结束 -->...HTML是从上至下解析，所以添加到哪里合适应该知道了吧
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