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HTML <source> srcset 属性

❮ HTML <source> 标签

示例

一个包含两个源文件和一个备用图像的 <picture> 元素

<picture>
  <source media="(min-width:650px)" srcset="img_pink_flowers.jpg">
  <source media="(min-width:465px)" srcset="img_white_flower.jpg">
  <img src="img_orange_flowers.jpg" alt="Flowers" style="width:auto;">
</picture>
自己尝试 »

定义和用法

srcset 属性指定在不同情况下要使用的图像的 URL。

<source> 用于 <picture> 时,此属性是必需的。


浏览器支持

表中的数字指定完全支持该属性的第一个浏览器版本。

属性
srcset 38.0 13.0  38.0 9.1 25.0

语法

<source srcset="URL">

属性值

描述
URL 指定图像的 URL。

可能的值

  • 绝对 URL - 指向另一个网站(如 href="http://www.example.com/flower.jpg")
  • 相对 URL - 指向网站中的文件(如 href="flower.jpg")

❮ HTML <source> 标签
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