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HTML <img> loading 属性

❮ HTML <img> 标签

示例

对折叠以下的图像添加延迟加载

<img src="/w3images/wedding.jpg" alt="Wedding" style="width:100%">
<img src="/w3images/rocks.jpg" alt="Rocks" style="width:100%">

<!-- 屏幕外图像 -->
<img src="/w3images/paris.jpg" alt="Paris" style="width:100%" loading="lazy">
<img src="/w3images/nature.jpg" alt="Nature" style="width:100%" loading="lazy">
<img src="/w3images/underwater.jpg" alt="Underwater" style="width:100%" loading="lazy">
<img src="/w3images/ocean.jpg" alt="Ocean" style="width:100%" loading="lazy">
<img src="/w3images/mountainskies.jpg" alt="Mountains" style="width:100%" loading="lazy">
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定义和用法

loading 属性指定浏览器应该立即加载图像还是延迟加载屏幕外图像,例如,直到用户滚动到它们附近。

提示: 仅对位于折叠以下的图像添加 loading="lazy"


浏览器支持

属性
loading 77.0 79.0 75.0 不支持 64.0

语法

<img src="URL" loading="eager|lazy">

属性值

描述
eager 默认值。立即加载图像
lazy 延迟加载图像,直到满足某些条件

❮ HTML <img> 标签
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