You can use Element.classList the live demo
function addfunction(){
link.forEach( function(e){
e.classList.remove('selected');
});
this.classList.add('selected');
}
var link = [].slice.call(document.querySelectorAll("form img"));
link.forEach(function(e){
e.addEventListener("click",addfunction,false);
});
6
solved How can I convert this from jQuery to standard javascript?