JAVASCRIPT

remove element by class

function removeElementsByClass(className){
    var elements = document.getElementsByClassName(className);
    while(elements.length > 0){
        elements[0].parentNode.removeChild(elements[0]);
    }
}

remove div by class name javascript

const remove = (sel) => document.querySelectorAll(sel).forEach(el => el.remove());

// Use like:
remove(".remove");
remove("#remove-me");

getelementsbyclassname remove class

var elems = document.querySelectorAll(".widget.hover");

[].forEach.call(elems, function(el) {
    el.classList.remove("hover");
});

element remove class

element.classList.remove(className);