所以通常会使用图片懒加载(image lazy loading)技术。 基于IntersectionObserver API 的方式 我在文章《IntersectionObserver API 的使用、元素相交/可见性判断 及 图片惰性加载的实现》里面提到了使用 IntersectionObserver API 来计算两个 HTML 元素是否相交。 “相交”的含义,即出现在了浏览器的可视区域。 判断相交可以做...
我目前正在尝试使用新的 loading=“lazy” 属性更新我的网站,如下所示: https ://web.dev/native-lazy-loading 正如视频中所见,一切都按预期工作,但与我在 chrome 中的瀑布图相比,它并没有。 外观: 它应该如何看: 这是它的实现方式: <img class="has-border" src="https://andreramoncombucket.s3.amazon...
HTML loading属性支持的值除了lazy还有下面这几个:lazy 图片或框架懒加载,也就是元素资源快要被看到的时候加载。 eager 图片或框架无视一切进行加载。 auto 默认值。图片或框架基于浏览器自己的策略进行加载。 如果HTMLImageElement或者HTMLIFrameElement元素没有显式地设置loading属性或者loading属性的值不合法,则都被当作...
lazy: Defer loading of the resource until it reaches acalculated distancefrom the viewport. eager: Load the resource immediately, regardless of where it's located on the page. The feature will continue to be updated until it's launched in a stable release (Chrome 76 at the earliest). But ...
记录使用 HTML 原生方案实现图片的懒加载。 语法规范 HTML loading 属性适用于 img 和iframe,语法规范见 HTML Standard - Lazy loading attributes。 关键词 状态 描述 lazy 懒惰的 用于延迟获取资源,直到满足某些条件。 eager 渴望的 用于立即获取资源;默认状态。 属性的 缺失值默认值 和无效值默认值 都是Eager状态...
html <img src="placeholder.jpg" data-src="actual-image.jpg" alt="Lazy loaded image" loading="lazy"> In this example, the loading=”lazy” attribute tells the browser to load the image only when it becomes visible in the viewport. When to use Lazy Loading? Lazy loading is useful in sc...
Example (HTML/JavaScript Lazy Loading for Images): html<img src="placeholder.jpg"data-src="actual-image.jpg"alt="Lazy loaded image"loading="lazy"> In this example, theloading=”lazy”attribute tells the browser to load the image only when it becomes visible in the viewport. ...
<html> <head> <meta charset="UTF-8"> <link rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <img class="image small-only" src="https://place-hold.it/500x300" loading="lazy" /> <img class="image medium-only" src="https://place-hold.it/500x600" loading=...
In the race to deliver the fastest, most engaging websites, lazy loading has become a secret weapon for web developers and savvy site owners. But what exactly is lazy loading? Simply put, it's a clever technique that tells your website to hold off on lo
lazy: Defer loading of the resource until it reaches a calculated distance from the viewport. eager: Load the resource immediately, regardless of where it's located on the page. The feature will continue to be updated until it's launched in a sta...