Tutorials using JS
Problem Statement
remove a classname from existing classnames of a div element using JavaScript
Solution
to remove a classname from the existing classnames of a div element using JavaScript, we can use Element.classList
property. call remove()
method on the classList
property and pass the required classname as argument
divElement.classList.remove('dark');
Program
when user clicks on the Click me
button, we get the div element with the id myDiv
, and remove the classname tile
from the existing classnames using Element.classList.remove()
<!DOCTYPE html>
<html>
<body>
<h1>JavaScript Tutorial</h1>
<h2>Remove classname for a div</h2>
<button id="myBtn">Click me</button>
<div id="myDiv" class="card tile active">About</div><br>
<pre id="output"></pre>
<script>
document.getElementById("myBtn").addEventListener("click", function() {
//get div element
const myDiv = document.getElementById("myDiv");
//remove classname of div
myDiv.classList.remove("tile");
document.getElementById("output").innerHTML = myDiv.classList;
});
</script>
</body>
</html>