Jun 3, 2025 · The getElementsByClassName method of Document interface returns an array-like object of all child elements which have all of the given class name(s). When called on the …

Jan 26, 2015 · getElementsByClassName Returns a set of elements which have all the given class names. var elements = document.getElementsByClassName('boxes'); for(var i=0, …

var activeObjects = documents.getElementsByClassName('active'); // a live nodeList //Use a reverse-loop because the array is an active NodeList while(activeObjects.length > 0) { var …

You need to use the document.getElementsByClassName('class_name'); and dont forget that the returned value is an array of elements so if you want the first one use: …

Apr 10, 2025 · Learn about the Element.getElementsByClassName () method, including its syntax, code examples, specifications, and browser compatibility.

The getElementsByClassName() method returns a collection of elements with a specified class name(s). The getElementsByClassName() method returns an HTMLCollection.

In this tutorial, you will learn how to use the JavaScript getElementsByClassName() method to select elements by class name.

Jul 27, 2022 · JavaScript’s Document.getElementsByClassName() method returns a live array-like object containing all the elements that have all the specified class names. Syntax …

Sep 2, 2024 · The getElementsByClassName() method in Javascript returns an object containing all the elements with the specified class names in the document as objects. Each element in …

HTML DOM getElementsByClassName() 方法 Document 对象 实例 获取所有指定类名的元素： var x = document.getElementsByClassName('example'); 尝试一下 » 定义和使用 …