Description The id property sets or returns the value of an element's id attribute.

Jun 3, 2025 · The getElementById () method of the Document interface returns an Element object representing the element whose id property matches the specified string. Since element IDs are …

Sep 2, 2010 · Is there another way to get an DOM element's ID? Yes you can just use the .id property of the dom element, for example: Or, something like this: for (var i = 0; i < inputs.length; i++) { …

Jul 23, 2025 · In JavaScript, the ID is the unique identifier through which the elements can be identified and manipulated if required. We can add an ID to an element in JavaScript using various approaches …

In this tutorial, you will learn how to use the JavaScript getElementById () method to select an element by an Id.

Sep 27, 2022 · So, any id — or name attribute, for that matter — in the HTML can be accessed in JavaScript using window[ELEMENT_ID]. Again, this isn’t exactly “new” but it’s really uncommon to see.

Nov 3, 2025 · The id property of the Element interface represents the element's identifier, reflecting the id global attribute. If the id value is not the empty string, it must be unique in a document. The id is …

Jul 17, 2024 · One frequently asked question is, “How can I get an element’s ID value with JavaScript?” This guide will explore various methods to retrieve the ID of an HTML element using JavaScript.

Jul 12, 2025 · We are given an element and the task is to change the ID of elements using JavaScript. ID is unique for any element and it can be assigned to an element only once.

Apr 2, 2025 · It allows you to select and manipulate HTML elements by their unique ID attribute. This guide covers everything from basic usage to advanced techniques, performance considerations, and …