Element: hasAttribute() method
The Element.hasAttribute() method returns a
Boolean value indicating whether the specified element has the
specified attribute or not.
Syntax
js
hasAttribute(name)
Parameters
name-
is a string representing the name of the attribute.
Return value
A boolean.
Examples
js
const foo = document.getElementById("foo");
if (foo.hasAttribute("bar")) {
// do something
}
Notes
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 |
- |
Specifications
| Specification |
|---|
| DOM Standard # ref-for-dom-element-hasattribute① |
Browser compatibility
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