Which attribute specifies a unique alphanumeric identifier to be associated with an element?*1 pointa) classb) idc) articled) html

Break Down the Problem

1. Identify the attributes available in the given options.
2. Determine the specific role of each attribute in HTML.

Relevant Concepts

1. ID Attribute: The id attribute in HTML is used to assign a unique identifier to an element. This identifier must be unique within the document, allowing for specific targeting of that element via CSS or JavaScript.
2. Class Attribute: The class attribute is used to group multiple elements, allowing them to share the same style or scripting behavior but is not unique to a single element.
3. Article Attribute and HTML: These do not refer to any standard attribute aimed at uniquely identifying an HTML element.

Analysis and Detail

1. In the context of the provided choices:
   • a) class: Used for grouping and not for uniqueness.
   • b) id: Specifies a unique identifier for an element.
   • c) article: Not a valid attribute.
   • d) html: Refers to the document structure, not to an element identifier.

Verify and Summarize

• The correct answer based on the definitions and their uses is b) id, as it uniquely identifies an element within an HTML document.

Final Answer

b) id