Sometimes, we want to change an element’s class with JavaScript.
In this article, we’ll look at how to change an element’s class with JavaScript.
How to change an element’s class with JavaScript?
To change an element’s class with JavaScript=, we use the classList
methods.
For instance, we write
document.getElementById("MyElement").classList.add("MyClass");
document.getElementById("MyElement").classList.remove("MyClass");
document.getElementById("MyElement").classList.toggle("MyClass");
to select the element with getElementById
.
Then we call classList.add
to add MyClass
to the element.
We call classList.remove
to remove MyClass
from element.
And we call classList.toggle
to toggle MyClass
on the element.
Conclusion
To change an element’s class with JavaScript=, we use the classList
methods.