HTMLPreElement | Web API

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HTMLPreElement interface exposes specific properties and methods (beyond those of the HTMLElement interface it also has available to it by inheritance) for manipulating a block of preformatted text ( <pre> ).

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 20%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 120" preserveAspectRatio="xMinYMin meet"><a xlink:href="../API/EventTarget.html" target="_top"><rect x="1" y="1" width="110" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="56" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">EventTarget</text></a><polyline points="111,25  121,20  121,30  111,25" stroke="#D4DDE4" fill="none"/><line x1="121" y1="25" x2="151" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/Node" target="_top"><rect x="151" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="188.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Node</text></a><polyline points="226,25  236,20  236,30  226,25" stroke="#D4DDE4" fill="none"/><line x1="236" y1="25" x2="266" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/Element" target="_top"><rect x="266" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="303.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Element</text></a><polyline points="341,25  351,20  351,30  341,25" stroke="#D4DDE4" fill="none"/><line x1="351" y1="25" x2="381" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/HTMLElement" target="_top"><rect x="381" y="1" width="110" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="436" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">HTMLElement</text></a><polyline points="491,25  501,20  501,30  491,25" stroke="#D4DDE4" fill="none"/><line x1="501" y1="25" x2="509" y2="25" stroke="#D4DDE4"/><line x1="509" y1="25" x2="509" y2="90" stroke="#D4DDE4"/><line x1="509" y1="90" x2="492" y2="90" stroke="#D4DDE4"/><a xlink:href="../API/HTMLPreElement" target="_top"><rect x="351" y="65" width="140" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="421" y="94" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">HTMLPreElement</text></a></svg></div>

  a:hover text { fill: #0095DD; pointer-events: all;}

特性

继承的特性来自其父级， HTMLElement .

HTMLPreElement.width: 是 long value reflecting the obsolete width attribute, containing a fixed-size length for the <pre> 元素。

方法

No specific method; inherits properties from its parent, HTMLElement .

规范

规范	状态	注释
HTML 实时标准 The definition of 'HTMLPreElement' in that specification.	实时标准
HTML5 The definition of 'HTMLLIElement' in that specification.	推荐	The following property is now obsolete: `width` .
DOM (文档对象模型) 2 级 HTML 规范 The definition of 'HTMLPreElement' in that specification.	过时	无变化自 DOM (文档对象模型) 1 级规范 .
DOM (文档对象模型) 1 级规范 The definition of 'HTMLPreElement' in that specification.	过时	初始定义。

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
`HTMLPreElement`	Chrome Yes	Edge 12	Firefox Yes	IE Yes	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android Yes	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes
`width` 弃用	Chrome Yes	Edge 12	Firefox Yes	IE Yes	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android Yes	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes

图例

完整支持
弃用。不要用于新网站。

另请参阅

The HTML element implementing this interface: <pre>

元数据

最后修改： 2019 年 3 月 23 日

在此页

特性

方法

规范

浏览器兼容性

图例

另请参阅

相关话题