HTML - The id attribute - W3Schools
The HTML id attribute is used to specify a unique id for an HTML element. You cannot have more than one element with the same id in an HTML document.
HTML id global attribute - MDN
Nov 6, 2025 · The id global attribute defines an identifier (ID) that must be unique within the entire document.
HTML Id Attribute - GeeksforGeeks
Jul 11, 2025 · HTML id attribute provides a unique identifier for an element within a document. It allows targeted selection and manipulation of the element through CSS and JavaScript, …
HTML id - W3Schools
The id attribute specifies a unique id for an HTML element (the value must be unique within the HTML document). The id value can be used by CSS and JavaScript to perform certain tasks …
HTML id Attribute - W3docs
The id attribute defines a unique identifier for an HTML element. It is commonly used to point to a style in a style sheet, as well as anchor links and targets for scripts.
HTML Id (With Examples) - Programiz
An HTML id is an attribute that can be added to an HTML element to give it a unique identifier. It is used in CSS or JavaScript to select and style the element, or to add behavior to it with …
HTML ID Attribute (with Examples) - Scientech Easy
Feb 22, 2025 · In simple words, we use id attribute to specify a unique id for an HTML element. For example, if we have two elements of the same name within a web page or style sheet, we …