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The Element.prefix read-only property returns the namespace prefix of the specified element, or null if no prefix is specified.
Before DOM4 this API was defined within the Node interface.
Syntax
string = element.prefix
Examples
The following logs "x" to the console.
<x:div onclick="console.log(this.prefix)"/>
Notes
This will only work when a namespace-aware parser is used, i.e. when a document is served with an XML MIME type. This will not work for HTML documents.
Specifications
| Specification | Status | Comment |
|---|---|---|
| DOM4 The definition of 'Element.prefix' in that specification. |
Recommendation | Initial definition |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 46.0[1] | 48.0 (48.0)[1] | ? | (Yes) | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | ? | 48.0 (48.0)[1] | ? | ? | ? |
[1] This API was previously available on the Node API.