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Other References
- CSSStyleDeclaration
- JS Conversion

HTML DOM Attribute specified Property

Is the style attribute specified?

Definition and Usage

The specified property returns true if an attribute is specified.

Warning

This property returns an error if the attribute is not specified.

This might crash your program.

Syntax

attribute.specified

Return Value

Type	Description
A boolean	`true` if the attribute is specified. Otherwise it returns an error.

Browser Support

attribute.specified is a DOM Level 1 (1998) feature.

It is fully supported in all browsers:


Chrome	IE	Edge	Firefox	Safari	Opera
Yes	9-11	Yes	Yes	Yes	Yes

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