不废话,直接上代码
思路不难,就是一个animate方法配合随机数
duration内个三秒钟,是自定义的,可以改成页面加载时间,这样就完美了
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<script src="js/jquery-1.8.3.min.js"></script>
<style>
body { margin: 0; }
#progress { position: fixed; height: 2px; background: #2085c5; transition: opacity 500ms linear }
#progress.done { opacity: 0 }
#progress span { position: absolute; height: 2px; -webkit-box-shadow: #2085c5 1px 0 6px 1px; -webkit-border-radius: 100%; opacity: 1; width: 150px; right: -10px; -webkit-animation: pulse 2s ease-out 0s infinite; }
@-webkit-keyframes pulse { 30% {
opacity:.6
}
60% {
opacity:0;
}
100% {
opacity:.6
}
}
</style>
</head><body>
<div id="progress"><span></span></div>
<script>
$({property: 0}).animate({property: 100}, {
duration: 3000,
step: function() {
var percentage = Math.round(this.property); $('#progress').css('width', percentage+"%");
if(percentage == 100) {
$("#progress").addClass("done");//完成,隐藏进度条
}
}
});
</script>
</body>
</html>