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createCDATASection()
creates a new CDATA section node, and returns it.
Syntax
var CDATASectionNode = document.createCDATASection(data);
- CDATASectionNode is a CDATA Section node.
- data is a string containing the data to be added to the CDATA Section.
Example
var docu = new DOMParser().parseFromString('<xml></xml>', 'application/xml') var cdata = docu.createCDATASection('Some <CDATA> data & then some'); docu.getElementsByTagName('xml')[0].appendChild(cdata); alert(new XMLSerializer().serializeToString(docu)); // Displays: <xml><![CDATA[Some <CDATA> data & then some]]></xml>
Notes
- This will only work with XML, not HTML documents (as HTML documents do not support CDATA sections); attempting it on an HTML document will throw
NOT_SUPPORTED_ERR
. - Will throw a
NS_ERROR_DOM_INVALID_CHARACTER_ERR
exception if one tries to submit the closing CDATA sequence ("]]>
") as part of the data, so unescaped user-provided data cannot be safely used without with this method getting this exception (createTextNode()
can often be used in its place).
Specification
Browser compatibility
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.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
createCDATASection | Chrome Full support 1 | Edge Full support 12 | Firefox Full support Yes | IE ? | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown