The Element.hasAttribute() method returns a Boolean value indicating whether the specified element has the specified attribute or not.
Element: hasAttribute() method
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
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
hasAttribute |
1 | 12 | 1 | 8 | 8 | 1 | 4.4 | 18 | 4 | 10.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Element/hasAttribute