How to remove a class from a block in js by clicking on the same block?

Question

HTML

How to remove a class from a block by clicking on the same block next to it and add it to the one that was clicked last, on pure js, jquery is full of examples, I will be grateful

let blockClick = document.querySelectorAll('.item-layout')

for (var i = 0; i < blockClick.length; i++) {
    blockClick[i].addEventListener('click', function(e) {
        this.classList.add('active-bg');
    })
}

Answer 1