Javascript change element class
document.getElementById("myElementID").classList.add('myClassName'); document.getElementById("myElementID").classList.remove('myClassName');
change elements class javascript
document.getElementById("MyElement").classList.add('MyClass'); document.getElementById("MyElement").classList.remove('MyClass'); if ( document.getElementById("MyElement").classList.contains('MyClass') ) { document.getElementById("MyElement").classList.toggle('MyClass'); }
javascript change element class
//Overwrite all classes element.className = "class"; //Add class element.classList.add("class");
html get class property
let element = document.querySelector('.preset'); let style = getComputedStyle(element); let bg = style.backgroundColor;
change class js
let containsClass = element.classList.contains('my-class'); element.classList.toggle('my-class', !containsClass);