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HTML <img> width 属性

❮ HTML <img> 标签

示例

一张高度为 600 像素,宽度为 500 像素的图像

<img src="img_girl.jpg" alt="Girl in a jacket" width="500" height="600">
亲自尝试 »

width 属性以像素为单位指定图像的宽度。

提示: 始终为图像指定 height width 属性。如果设置了高度和宽度,则在页面加载时会保留图像所需的空间。但是,如果没有这些属性,浏览器将不知道图像的大小,并且无法为其保留适当的空间。结果是页面布局将在加载过程中发生变化(图像加载时)。

提示: 使用 heightwidth 属性缩小大型图像会强制用户下载大型图像(即使它在页面上看起来很小)。为了避免这种情况,请在页面上使用图像之前使用程序重新调整图像大小。


浏览器支持

属性
width

语法

<img width="pixels">

属性值

描述
pixels 以像素为单位的宽度(例如 width="100")

❮ HTML <img> 标签
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