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HTML DOM isId Property

Attributes Object Reference Attribute Object

Example

Find out if an attribute is the element's ID attribute or not:

document.getElementById("demo").attributes[0].isId;

The result will be:

true

Try it yourself »


Definition and Usage

The isId property returns true if the attribute is of type ID, otherwise it returns false.


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The isId property is supported in all major browsers, except Internet Explorer and Opera.


Syntax

attribute.isId

Technical Details

Return Value: Boolean, true|false
DOM Version Core Level 3


Attributes Object Reference Attribute Object


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