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Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The Node.prefix read-only property returns the namespace prefix of the specified node, or null if no prefix is specified.
Syntax
string = node.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 |
|---|---|---|
| Document Object Model (DOM) Level 3 Core Specification The definition of 'Node.prefix' in that specification. |
Recommendation | Specifies the behavior when it's set to null. |
| Document Object Model (DOM) Level 2 Core Specification The definition of 'Initial definition' in that specification. |
Recommendation | Initial definition |
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | (Yes) No support46.0[1] |
(Yes)[2] No support 48.0 (48.0)[1] |
? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | ? | (Yes)[2] No support 48.0 (48.0)[1] |
? | ? | ? |
[1] This API was moved to the Element and Attr APIs according to the DOM4 standard.
[2] Prior to Gecko 5.0 (Firefox 5.0 / Thunderbird 5.0 / SeaMonkey 2.2), this property was read-write; starting with Gecko 5.0 it is read-only, following the specification.