JQ片段改为JS原生写法
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index.html
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index.html
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@ -2,17 +2,20 @@
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge"/>
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<title>页面加载进度效果</title>
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<link rel="stylesheet" href="src/root.css">
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<link rel="stylesheet" href="src/pace.css">
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<link rel="stylesheet" href="src/preloader.css">
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<link rel="stylesheet" href="src/loading.css">
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<link rel="stylesheet" href="src/index.css">
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</head>
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<body>
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<!-- LOGO -->
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<div class="loading">
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<div id="loading">
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<span>网</span>
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<span>塔</span>
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<span>科</span>
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@ -22,32 +25,48 @@
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<!-- 屏幕 -->
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<div id="preloader"></div>
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<script src="src/jquery-3.6.0.js"></script>
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<!-- 处理JQ3.0版本兼容 -->
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<script src="src/jquery-migrate-3.4.0.min.js"></script>
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<!-- 页面加载进度 -->
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<script src="src/pace.js"></script>
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<!-- <script src="src/pacejs.js"></script> -->
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<script>
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// 延时看效果 time = ？秒
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$.get("http://wtkj.qiyejianzhan.wang/dtest.php?time=3", function (data) {
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console.log(data);
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});
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// 页面加载进度条配置
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paceOptions = {
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ajax: true,
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document: true,
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trackWebSockets: false,
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eventLag: false
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};
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// 网页加载结束后执行
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Pace.on("done", function () {
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console.log('paceDone')
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$('#preloader').addClass("isdone");
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$('.loading').addClass("isdone");
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document.getElementById('preloader').classList.add("isdone");
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document.getElementById('loading').classList.add("isdone");
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});
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// 延时看效果 time = ？秒
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// 第一步： 获得XMLHttpRequest对象
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var ajax = new XMLHttpRequest();
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// 第二步： 设置状态监听函数
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ajax.onreadystatechange = function () {
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console.log(ajax.readyState);
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console.log(ajax.status);
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// 第五步：在监听函数中，判断readyState=4 && status=200表示请求成功
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if (ajax.readyState === 4 && ajax.status === 200) {
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// 第六步： 使用responseText、responseXML接受响应数据，并使用原生JS操作DOM进行显示
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console.log(ajax.responseText);
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// console.log(ajax.responseXML);// 返回不是XML，显示null
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// console.log(JSON.parse(ajax.responseText));
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// console.log(eval("(" + ajax.responseText + ")"));
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}
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}
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// 第三步： open一个链接
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// ajax.open("GET", "http://wtkj.qiyejianzhan.wang/dtest.php?time=5", false);//true异步请求，false同步
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// 第四步： send一个请求。 可以发送对象和字符串，不需要传递数据发送null
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// ajax.send(null);
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</script>
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</body>
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</html>
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@ -1,4 +1,4 @@
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.loading {
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#loading {
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position: fixed;
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left: 50%;
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top: calc(50% - 40px);
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@ -13,7 +13,7 @@
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color: #ffffff;
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}
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.loading.isdone {
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#loading.isdone {
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top: 50%;
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opacity: 0;
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-webkit-transition: all .8s;
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@ -24,42 +24,42 @@
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transition-delay: .5s;
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}
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.loading span {
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#loading span {
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-webkit-animation: loading 1.4s infinite alternate;
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animation: loading 1.4s infinite alternate;
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}
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.loading span:nth-child(1) {
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#loading span:nth-child(1) {
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-webkit-animation-delay: 0s;
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animation-delay: 0s;
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}
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.loading span:nth-child(2) {
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#loading span:nth-child(2) {
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-webkit-animation-delay: 0.1s;
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animation-delay: 0.1s;
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}
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.loading span:nth-child(3) {
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#loading span:nth-child(3) {
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-webkit-animation-delay: 0.2s;
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animation-delay: 0.2s;
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}
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.loading span:nth-child(4) {
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#loading span:nth-child(4) {
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-webkit-animation-delay: 0.3s;
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animation-delay: 0.3s;
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}
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.loading span:nth-child(5) {
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#loading span:nth-child(5) {
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-webkit-animation-delay: 0.4s;
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animation-delay: 0.4s;
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}
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.loading span:nth-child(6) {
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#loading span:nth-child(6) {
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-webkit-animation-delay: 0.5s;
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animation-delay: 0.5s;
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}
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.loading span:nth-child(7) {
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#loading span:nth-child(7) {
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-webkit-animation-delay: 0.6s;
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animation-delay: 0.6s;
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}
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@ -38,6 +38,8 @@
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};
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};
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// 默认配置
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defaultOptions = {
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className: '',
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catchupTime: 100,
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@ -71,6 +73,7 @@
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return (_ref = typeof performance !== "undefined" && performance !== null ? typeof performance.now === "function" ? performance.now() : void 0 : void 0) != null ? _ref : +(new Date);
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};
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// 动画
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requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
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cancelAnimationFrame = window.cancelAnimationFrame || window.mozCancelAnimationFrame;
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