HTMLImageElement.border

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过时
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

过时 HTMLImageElement property border specifies the number of pixels thick the border surrounding the image should be. A value of 0, the default, indicates that no border should be drawn.

You should not use this property! Instead, you should use CSS to style the border. The border property or its longhand properties to not only set the thickness of the border but to potentially apply a wide variety of other styling options to it.

The width, specifically, is controlled using the writing-mode aware border-block-start-width , border-block-end-width , border-inline-start-width ，和 border-inline-end-width 特性。

For compatibility (or perhaps other) reasons, you can use the older properties instead (or in addition): border-top-width , border-right-width , border-bottom-width ，和 border-left-width .

句法

htmlImageElement.border = thickness;
let thickness = htmlImageElement.border;

值

A DOMString containing an integer value specifying the thickness of the border that should surround the image, in CSS pixels. A value of 0 , or an empty string, indicates that there should be no border drawn. The default value of border is 0

用法注意事项

不使用 border . It is obsolete. Instead, use the CSS border property and its longhand properties to establish borders around images.

For example, if you have the following HTML:

<img src="image.png" border="2">

The following will provide the same appearance using CSS instead of this obsolete property:

<img src="image.png" style="border: 2px;">

You can further provide additional information to change the color and other features of the border:

<img src="image.png" style="border: dashed 2px #333388;">

规范

规范	状态	注释
HTML 实时标准 The definition of 'HTMLImageElement.border' in that specification.	实时标准
HTML 4.01 Specification The definition of 'HTMLImageElement.border' in that specification.	推荐

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`border`	Chrome 1	Edge 12	Firefox Yes	IE ?	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android Yes	Opera Android ?	Safari iOS Yes	Samsung Internet Android Yes

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完整支持
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元数据

最后修改： Sep 27, 2019

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