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A processing instruction embeds application-specific instructions in XML which can be ignored by other applications that don't recognize them. Even if an XML processor ignores processing instructions, it will give them a place in the DOM.

A processing instruction is different from the XML declaration, which supplies information about the document such as character encoding, and can only appear as the first item in a document.

User-defined processing instructions cannot begin with 'xml', as these are reserved (such as <?xml-stylesheet ?>).

Processing instructions inherit methods and properties from Node.

Attributes

  • target (DOMString) — after the opening <? and before any whitespace separating it from data
  • data (DOMString) — the first non-whitespace character after target until before the closing ?>

Specification

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support YesEdge ? Firefox Full support YesIE ? Opera Full support YesSafari ? WebView Android Full support YesChrome Android Full support YesEdge Mobile ? Firefox Android Full support YesOpera Android Full support YesSafari iOS ? Samsung Internet Android ?
targetChrome Full support YesEdge ? Firefox Full support YesIE ? Opera Full support YesSafari ? WebView Android Full support YesChrome Android Full support YesEdge Mobile ? Firefox Android Full support YesOpera Android Full support YesSafari iOS ? Samsung Internet Android ?
data
Deprecated
Chrome Full support YesEdge ? Firefox Full support YesIE ? Opera Full support YesSafari ? WebView Android Full support YesChrome Android Full support YesEdge Mobile ? Firefox Android Full support YesOpera Android Full support YesSafari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.

See also

Tag del documento e collaboratori

Tag: 
Hanno collaborato alla realizzazione di questa pagina: Tigt, connorshea, stevenwdv, fscholz, SphinxKnight, Reachmeatshivam, Sheppy, Brettz9, George3
Ultima modifica di: Tigt,