loading 属性指定浏览器是应该立即加载图像还是推迟加载屏幕外图像,例如,直到用户滚动到它们附近。提示: 仅将loading="lazy" 添加到位于首屏下方的图像。浏览器支持属性Attribute loading 77.0 79.0 75.0 Not Supported 64.0语法<img src="URL" loading="eager|lazy"> 属性值...
<object data="/img/html/parliament.jpg" type="image/jpg"> <img src="/img/html/not-found.jpg" alt="This image is not available"> </object> Try it live Note: If the image provided in the <object> element is also broken, then the inside alt attribute value will be displayed.Media...
onload<body>,<iframe>,<img>,<input>,<link>,<script>,<style>Script to be run when the element is finished loading onloadeddata<audio>,<video>Script to be run when media data is loaded onloadedmetadata<audio>,<video>Script to be run when meta data (like dimensions and duration) are load...
HTML 中的元素拥有属性(attribute);这些额外的值可以配置元素或者以各种方式来调整元素的行为,进而满足用户所需的标准。
提供对服务器上 HTML <img> 元素的编程访问。 C# 复制 public class HtmlImage : System.Web.UI.HtmlControls.HtmlControl 继承 Object Control HtmlControl HtmlImage 示例 下面的代码示例演示如何在单击 时HtmlButton以编程方式修改 控件的属性HtmlImage。 ASP.NET (C#) 复制 <%@ Page Language="C#" Au...
就这么简单。 通常来说,width和height尽量要有(写在 style 里面也是可以的),否则懒加载在 Chrome 上可能不会生效。 实现效果可以参考这个 demo:https://mathiasbynens.be/demo/img-loading-lazy。 有了这个原生支持,我又删掉了很大一段代码! 参考文章
Tip:To link an image to another document, simply nest the<img>tag inside an<a>tag (see example below). Browser Support Element <img>YesYesYesYesYes Attributes AttributeValueDescription alttextSpecifies an alternate text for an image crossoriginanonymous ...
<!DOCTYPE html> <html> <head> <title>Title of the document</title> </head> <body> <img src="/uploads/media/default/0001/03/01cc5ccf0ce755075e468cc651f27c354e1b032e.jpeg" alt="Paris" width="256" height="256"> </body> </html> Try it Yourself » The new loading attribute ...
In this lesson, you'll learn how to use the loading="lazy" attribute available on images and iframes to lazily load below the
Theloadingattribute is used in HTML to control the loading behavior of elements on a web page. When you setloading="lazy"on a<img>tag, it tells the browser to defer the loading of the resource until it is needed. At the moment, the page looks like this: ...