let skipConsentBtns = function(){ var skipBtn = document.getElementsByClassName('skipToConsent')[0] var sections = document.getElementsByClassName('step-item') var content = document.getElementsByClassName('step-content') skipBtn.onclick = function(e){ e.preventDefault() for (el of document.querySelectorAll('.steps-action a')){ el.classList.add('is-hidden') } for (el of content){ el.classList.remove('is-active') var last = el } last.classList.add('is-active') for (el = 0; el <= sections.length; el++){ sections[el].classList.add('is-completed') sections[el].classList.remove('is-active') var last = sections[el] } last.classList.add('is-active') //is-completed } }()