CDATASection - Web APIs 编辑

The CDATASection interface represents a CDATA section that can be used within XML to include extended portions of unescaped text. The symbols < and & don’t need escaping as they normally do when inside a CDATA section.

In XML, a CDATA section looks like:

<![CDATA[ ... ]]>

For example:

<foo>Here is a CDATA section: <![CDATA[ < > & ]]> with all kinds of unescaped text.</foo>

The only sequence which is not allowed within a CDATA section is the closing sequence of a CDATA section itself, ]]>:

<![CDATA[ ]]> will cause an error ]]>

Note that CDATA sections should not be used within HTML; they only work in XML.

  <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="/wiki/en-US/docs/Web/API/EventTarget" 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="/wiki/en-US/docs/Web/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="/wiki/en-US/docs/Web/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="https://developer.mozilla.org/wiki/en-US/docs/Web/API/Text" target="_top"><rect x="436" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="473.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Text</text></a><polyline points="511,25  521,20  521,30  511,25" stroke="#D4DDE4" fill="none"/><line x1="521" y1="25" x2="529" y2="25" stroke="#D4DDE4"/><line x1="529" y1="25" x2="529" y2="90" stroke="#D4DDE4"/><line x1="529" y1="90" x2="512" y2="90" stroke="#D4DDE4"/><a xlink:href="/wiki/en-US/docs/Web/API/CDATASection" target="_top"><rect x="391" y="65" width="120" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="451" y="94" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">CDATASection</text></a></svg></div>
  a:hover text { fill: #0095DD; pointer-events: all;}

Properties

This interface has no specific properties and implements those of its parent Text.

Methods

This interface has no specific methods and implements those of its parent Text.

Specifications

SpecificationStatusComment
DOM
The definition of 'CDATASection' in that specification.
Living StandardRe-added in issue #295 due to web breakage
DOM4
The definition of 'CDATASection' in that specification.
ObsoleteRemoved in favour of the more generic Text interface
Document Object Model (DOM) Level 3 Core Specification
The definition of 'CDATASection' in that specification.
ObsoleteNo change from Document Object Model (DOM) Level 2 Core Specification
Document Object Model (DOM) Level 2 Core Specification
The definition of 'CDATASection' in that specification.
ObsoleteNo change from Document Object Model (DOM) Level 1 Specification.
Document Object Model (DOM) Level 1 Specification
The definition of 'CDATASection' in that specification.
ObsoleteInitial definition

Browser compatibility

BCD tables only load in the browser

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