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第 104 期(W3C 标准-SVG)：SVG优雅降级显示 #107

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wingmeng opened this issue Sep 6, 2019 · 0 comments

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wingmeng commented Sep 6, 2019

SVG 是一种矢量图形，在网页中既可以以 XML 形式插入，又可以使用 image 标签插入，是图标、logo 等色彩简单图形的理想格式。但是一些需要兼容低版本浏览器（例如 IE8）的场景下，需要对 SVG 进行优雅降级，以防在这类浏览器下 SVG 图形显示为空白。

<svg width="150" height="150">
  <!-- logo.png 为优雅降级所用的 png 图片 -->
  <image xlink:href="logo.svg" src="logo.png" width="150" height="150">
</svg>

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