我在YouTube中发现了一个预加载程序，类似于

我喜欢在我的网站中实现这种类型的预加载程序，找不到如何实现这种类型的预加载程序，它根据屏幕大小和主题[暗色或正常]

我已经实现了像这样的普通预加载程序

$(window).on('load', function () {
    $('#preloader').delay(350).fadeOut('slow');
    $('body').delay(350).css({ 'overflow': 'visible' });
}) 

有人能帮忙找到所使用的预加载程序的类型吗？是这个映像还是其他什么。

顺晟科技：

这些被称为骨架加载预加载器，您可以参考此示例，也可以考虑使用此库轻松创建此类预加载器。

.timeline-item { background: #fff; border: 1px solid; border-color: #e5e6e9 #dfe0e4 #d0d1d5; border-radius: 3px; padding: 12px; margin: 0 auto; max-width: 472px; min-height: 200px; } @keyframes placeHolderShimmer{ 0%{ background-position: -468px 0 } { background-position: 468px 0 } } .animated-background { animation-duration: 1s; animation-fill-mode: forwards; animation-iteration-count: infinite; animation-name: placeHolderShimmer; animation-timing-function: linear; background: #f6f7f8; background: linear-gradient(to right, #eeeeee 8%, #dddddd 18%, #eeeeee 33%); background-size: 800px 104px; height: 96px; position: relative; } .background-masker { background: #fff; position: absolute; } /* Every thing below this is just positioning */ .background-masker.header-top, .background-masker.header-bottom, .background-masker.subheader-bottom { top: 0; left: 40px; right: 0; height: 10px; } .background-masker.header-left, .background-masker.subheader-left, .background-masker.header-right, .background-masker.subheader-right { top: 10px; left: 40px; height: 8px; width: 10px; } .background-masker.header-bottom { top: 18px; height: 6px; } .background-masker.subheader-left, .background-masker.subheader-right { top: 24px; height: 6px; } .background-masker.header-right, .background-masker.subheader-right { width: auto; left: 300px; right: 0; } .background-masker.subheader-right { left: 230px; } .background-masker.subheader-bottom { top: 30px; height: 10px; } .background-masker.content-top, .background-masker.content-second-line, .background-masker.content-third-line, .background-masker.content-second-end, .background-masker.content-third-end, .background-masker.content-first-end { top: 40px; left: 0; right: 0; height: 6px; } .background-masker.content-top { height:20px; } .background-masker.content-first-end, .background-masker.content-second-end, .background-masker.content-third-end{ width: auto; left: 380px; right: 0; top: 60px; height: 8px; } .background-masker.content-second-line { top: 68px; } .background-masker.content-second-end { left: 420px; top: 74px; } .background-masker.content-third-line { top: 82px; } .background-masker.content-third-end { left: 300px; top: 88px; } <div class="timeline-wrapper"> <div class="timeline-item"> <div class="animated-background"> <div class="background-masker header-top"></div> <div class="background-masker header-left"></div> <div class="background-masker header-right"></div> <div class="background-masker header-bottom"></div> <div class="background-masker subheader-left"></div> <div class="background-masker subheader-right"></div> <div class="background-masker subheader-bottom"></div> <div class="background-masker content-top"></div> <div class="background-masker content-first-end"></div> <div class="background-masker content-second-line"></div> <div class="background-masker content-second-end"></div> <div class="background-masker content-third-line"></div> <div class="background-masker content-third-end"></div> </div> </div> </div>