js add class
var element = document.getElementById('element');
element.classList.add('class-1');
element.classList.add('class-2', 'class-3');
element.classList.remove('class-3');js add class
var element = document.getElementById('element');
element.classList.add('class-1');
element.classList.add('class-2', 'class-3');
element.classList.remove('class-3');javascript add class to element
var someElement= document.getElementById("myElement");
someElement.className += " newclass";//add "newclass" to element (space in front is important)Put a class in css
<html>
<head>
<style>
/* Make sure to use a full stop to instead only focus on the classname that is in your html page */
.class {
background-color: #eeeeee;
}
</style>
<head>
<body>
<div class="class">
<p>hi</p>
</div>
</body>
</html>html add css class
<h2
class="city main">London</h2>
<h2 class="city">Paris</h2>
<h2
class="city">Tokyo</h2>Copyright © 2021 Codeinu
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