Element: getElementsByTagNameNS() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Thuộc tính Element.getElementsByTagNameNS() method trả về a
live HTMLCollection of elements with the given tag name belonging to the
given namespace. It is similar to Document.getElementsByTagNameNS, except
that its search is restricted to descendants of the specified element.
Cú pháp
getElementsByTagNameNS(namespaceURI, localName)
Tham số
namespaceURI-
The namespace URI of elements to look for (see
Element.namespaceURIandAttr.namespaceURI). For example, if you need to look for XHTML elements, use the XHTML namespace URI,http://www.w3.org/1999/xhtml. localName-
Either the local name of elements to look for or the special value
"*", which matches all elements (seeElement.localNameandAttr.localName).
Giá trị trả về
A live HTMLCollection of found elements in the order they appear in the tree.
Ví dụ
// Check the alignment on a number of cells in a table in an XHTML document.
const table = document.getElementById("forecast-table");
const cells = table.getElementsByTagNameNS(
"http://www.w3.org/1999/xhtml",
"td",
);
for (const cell of cells) {
const axis = cell.getAttribute("axis");
if (axis === "year") {
// Grab the data
}
}
Đặc tả kỹ thuật
| Specification |
|---|
| DOM # dom-element-getelementsbytagnamens |