Example
Find out if an attribute is the element's ID attribute or not:
var x =
document.getElementById("demo").attributes[0].isId;
The result of x could be:
true
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Definition and Usage
The isId property returns true if the attribute is of type ID, otherwise it returns false.
This property is read-only.
Browser Support
| Property | |||||
|---|---|---|---|---|---|
| isId | Not supported | Not supported | Not supported | Not supported | Not supported |
Note: This property was supported in Chrome, Firefox and Safari 5+, but support has been removed.
Syntax
attribute.isId
Technical Details
| Return Value: | A Boolean, returns true if the attribute is of type ID, otherwise false |
|---|---|
| DOM Version | Core Level 3 |