This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The hasAttributes() method of the Element interface returns a boolean value indicating whether the current element has any attributes or not.
hasAttributes()
None.
A boolean.
let foo = document.getElementById("foo");
if (foo.hasAttributes()) {
// Do something with 'foo.attributes'
}
| Specification |
|---|
| DOM> # ref-for-dom-element-hasattributes①> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
hasAttributes |
1 | 12 | 1Before Firefox 35, it was implemented on theNode interface. |
≤12.1 | 1 | 18 | 4Before Firefox for Android 35, it was implemented on theNode interface. |
≤12.1 | 1 | 1.0 | 4.4 | 1 |
Element.attributesElement.hasAttribute()Element.getAttribute()Element.setAttribute()Element.removeAttribute()Element.toggleAttribute()
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https://developer.mozilla.org/en-US/docs/Web/API/Element/hasAttributes