3 Examples to add class by JavaScript (no jQuery)
Create an element with Class using JavaScript
Add class to <ul> in List block. · Issue #12420 · WordPress/gutenberg · GitHub
How to add multiple class to div using jquery - YouTube
How to Add and Remove Classes in Vanilla JavaScript
sxa - Best practice for adding a div with class around a couple of renderings - Sitecore Stack Exchange
Easy Posts: how to dynamically add special css classes for posts? | OxyWP
theming - How to add extra classes to <div view-content> in Views? - Drupal Answers
javascript - Add class to previous element using jquery - Stack Overflow
How to add no-divider to class attribute - HTML-CSS - The freeCodeCamp Forum
css - how to add class 'active' with jquery - Stack Overflow
View and change CSS - Chrome Developers
jQuery Add Remove and Toggle class - Dot Net Tutorials
Multiple Class / ID and Class Selectors | CSS-Tricks - CSS-Tricks
HTML DIV Containers - HTML - Codecademy Forums
Easy Posts: how to dynamically add special css classes for posts? | OxyWP
Get started viewing and changing CSS - Microsoft Edge Development | Microsoft Learn
Add a class to the newly created div using JavaScript - YouTube
Eliminating Multiple-Style Classes in CSS with @extend & SCSS
how to add style into component depending on body class in Angular 6
JavaScript add an HTML class to div. If statement. Bootstrap - Stack Overflow
How to append HTML code to a div using JavaScript ? - GeeksforGeeks
jQuery Add Remove and Toggle class - Dot Net Tutorials
How to insert a div after another div in Javascript - DEV Community 👩💻👨💻
html - Adding Class Attribute using jquery - Stack Overflow
