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HTML DOM specified Property

Attributes Object Reference Attribute Object

Example

Find out if an attribute has been specified or not:

var x = document.getElementById("demo").attributes[0].specified;

The result of x will be:

true
Try it Yourself »

Definition and Usage

The specified property returns true if the attribute is specified.

Returns true also if the attribute has been created but not been attached to an element yet.

Otherwise it returns false.


Browser Support

Property
specified Yes Yes Yes Yes Yes

Syntax

attribute.specified

Technical Details

Return Value: A Boolean, returns true if the attribute is specified, otherwise false
DOM Version Core Level 1

Attributes Object Reference Attribute Object