removeAttributeNode removes the specified attribute from the current element.
removedAttr = element.removeAttributeNode(attributeNode)
attributeNode is the Attr node that needs to be removed.removedAttr is the removed Attr node.// <div id="top" align="center" />
var d = document.getElementById("top");
var d_align = d.getAttributeNode("align");
d.removeAttributeNode(d_align);
// align is now removed: <div id="top" />
If the removed Attribute has a default value it is immediately replaced. The replacing attribute has the same namespace URI and local name, as well as the original prefix, when applicable.
There is no removeAttributeNodeNS (unlike the pair setAttributeNode andsetAttributeNodeNS which need to know which existing attribute to replace (if any), removeAttributeNode has no such requirement). removeAttributeNode can remove namespaced as well as non-namespaced attributes.
DOM methods dealing with element's attributes:
| Not namespace-aware, most commonly used methods | Namespace-aware variants (DOM Level 2) | DOM Level 1 methods for dealing with Attr nodes directly (seldom used) | DOM Level 2 namespace-aware methods for dealing with Attr nodes directly (seldom used) |
|---|---|---|---|
setAttribute (DOM 1) | setAttributeNS | setAttributeNode | setAttributeNodeNS |
getAttribute (DOM 1) | getAttributeNS | getAttributeNode | getAttributeNodeNS |
hasAttribute (DOM 2) | hasAttributeNS | - | - |
removeAttribute (DOM 1) | removeAttributeNS | removeAttributeNode | - |
DOM Level 2 Core: removeAttributeNode (introduced in DOM Level 1 Core)
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https://developer.mozilla.org/en-US/docs/Web/API/element/removeAttributeNode