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28 lis 2016 · JavaScript provides 2 different ways by which you can add classes to HTML elements: Using element.classList.add() Method; Using className property; Using both methods you can add single or multiple classes at once. 1. Using element.classList.add() Method
Add Class Step 1) Add HTML: Add a class name to the div element with id="myDIV" (in this example we use a button to add the class).
In general, you should consider using classes when you want to create objects that store their own internal data and expose a lot of behavior. Take built-in JavaScript classes as examples: The Map and Set classes store a collection of elements and allow you to access them by key using get() , set() , has() , etc.
JavaScript Classes are templates for JavaScript Objects. JavaScript Class Syntax. Use the keyword class to create a class. Always add a method named constructor(): Syntax. class ClassName { constructor () { ... } Example. class Car { constructor (name, year) { this.name = name; this.year = year; } The example above creates a class named "Car".
5 mar 2024 · To add multiple classes to an element, select the element and pass multiple classes to the classList.add() method. The add() method takes one or more classes and adds them to the element. Here is the HTML for the examples. index.html.
In this article, you will learn 3 different ways JavaScript add class to HTML elements. You will see different variations like adding multiple classes to the element, adding class to the body, creating a new element, etc.
26 cze 2024 · In this approach, we are using classList property to add the class into the DOM element. It returns the class name as a DOMTokenList object. It has a method called “add” which is used to add class name to elements. we will access the div using the getElementById and we will use the add property of classList to add a class.
