getElement and remove class code example

Example 1: how to remove a class from element with javascript

const div =  document.querySelector('div') // Get element from DOM
div.classList.remove('info') // Remove class "info"

Example 2: remove element by class

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