XPath stands for XML Path Language, it uses a non-XML syntax that provides a flexible way of addressing (pointing to) different parts of an XML document. As well as this, it can also be used to test addressed nodes within a document to determine whether they match a pattern or not.
XPath is mainly used in XSLT, but can also be used as a much more powerful way of navigating through the DOM of any XML based language documents, such as HTML and XUL, instead of relying on the document.getElementById method, the element.childNodes properties, and other DOM Core features. The following is vague: This is especially useful within extensions, particularly regarding to overlays.
XPath uses a path notation (as in URLs) for navigating through the hierarchical structure of an XML document. It uses a non-XML syntax so that it can be used in URIs and XML attribute values.
Grazie mille. Controlla la tua casella di posta per confermare l’iscrizione.
Se non hai mai confermato prima d’ora l’iscrizione a una newsletter Mozilla, dovrai farlo adesso per completare l’iscrizione. Controlla se hai ricevuto un nuovo messaggio da parte di Mozilla, potrebbe anche essere finita per sbaglio nella cartella dello spam.
Help grow MDN
Support MDN, and it comes back to you.
You come to MDN for information and assistance. Be a part of making MDN even better. You’ll get back more of the knowledge and tools you rely on for when your work has to work.