function initAcc(elem,option){document.addEventListener("click",(function(e){if(e.target.matches(elem+" .a-btn"))if(e.target.parentElement.classList.contains("active"))e.target.parentElement.classList.remove("active");else{if(1==option){var elementList=document.querySelectorAll(elem+" .a-container");Array.prototype.forEach.call(elementList,(function(e){e.classList.remove("active")}))}e.target.parentElement.classList.add("active")}}))}initAcc(".accordion",!0);