HTML - The id attribute - W3Schools
The id Attribute The id attribute specifies a unique id for an HTML element. The value of the id attribute must be unique within the HTML document. The id attribute is used to point to a specific style …
HTML itemid global attribute - MDN
Jul 9, 2025 · HTML itemid global attribute The itemid global attribute provides microdata in the form of a unique, global identifier of an item. An itemid attribute can only be specified for an element that has …
HTML - id Attribute - Online Tutorials Library
HTML id attribute is used to uniquely identify an element within an HTML document, allowing for targeted styling, scripting, and linking. This attribute is frequently used for style, managing events, …
html - How can I get an element's ID value with JavaScript ...
Sep 2, 2010 · How can I get an element's ID value with JavaScript? Asked 15 years, 3 months ago Modified 2 years, 3 months ago Viewed 633k times
HTML id Attribute - Dofactory
Sep 30, 2023 · The id attribute on an element assigns an identifier to that element. The identifier must be unique across the page. The id is a global attribute that can be applied to any HTML element.
Different ways to access HTML elements using JavaScript
Jul 27, 2025 · Users can select the HTML elements using the different CSS selectors such as class, id, and tag name at a single time. HTML elements can be retrieved using CSS selectors in two ways.
HTML IDs: Uniquely Identifying Elements for Dynamic Web Pages
Dec 24, 2024 · The HTML id attribute is a powerful tool for uniquely identifying elements within your web pages. Mastering the use of id alongside class is essential for creating dynamic, interactive, and well …
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 JavaScript. For …
How to Add an ID to Element in JavaScript ? - GeeksforGeeks
Jul 23, 2025 · Using setAttribute () In this approach, we are using JavaScript's setAttribute () method to dynamically add an ID to an HTML element. Select the element using getElementsByTagName () …
HTML elements reference - MDN Web Docs
Nov 9, 2025 · HTML elements reference This page lists all the HTML elements, which are created using tags. They are grouped by function to help you find what you have in mind easily. An alphabetical list …