ProcessingInstruction

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特性
规范
浏览器兼容性
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ProcessingInstruction 接口表示 processing instruction ; that is, a 节点 which embeds an instruction targeting a specific application but that can be ignored by any other applications which don't recognize the instruction.

A processing instruction is different from the XML declaration .

User-defined processing instructions cannot begin with " xml ", as xml -prefixed processing-instruction target names are reserved by the XML specification for particular, standard uses (see, for example, <?xml-stylesheet ?> ).

ProcessingInstruction interface inherits methods and properties from 节点 .

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 10%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 700 70" 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/CharacterData" target="_top"><rect x="266" y="1" width="130" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="331" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">CharacterData</text></a><polyline points="396,25  406,20  406,30  396,25" stroke="#D4DDE4" fill="none"/><line x1="406" y1="25" x2="436" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/ProcessingInstruction" target="_top"><rect x="436" y="1" width="210" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="541" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">ProcessingInstruction</text></a></svg></div>

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

特性

target ( DOMString ) 只读

规范

规范	状态	注释
DOM The definition of 'ProcessingInstruction' in that specification.	实时标准
XML specification

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
`ProcessingInstruction`	Chrome Yes	Edge ≤18	Firefox Yes	IE ?	Opera Yes	Safari Yes	WebView Android Yes	Chrome Android Yes	Firefox Android Yes	Opera Android Yes	Safari iOS Yes	Samsung Internet Android Yes
`data` 弃用	Chrome Yes	Edge ≤79	Firefox Yes	IE ?	Opera Yes	Safari ?	WebView Android Yes	Chrome Android Yes	Firefox Android Yes	Opera Android Yes	Safari iOS ?	Samsung Internet Android Yes
`target`	Chrome Yes	Edge 12	Firefox Yes	IE ?	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
兼容性未知 ?
弃用。不要用于新网站。

另请参阅

document.createProcessingInstruction

元数据

最后修改： Dec 9, 2019

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规范

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图例

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