let id = (id)=> document.getElementById(id);
let classes = (classes)=> document.getElementsByClassName(classes);
let quizSelected = classes("select-quiz");
for(let i=0; i<quizSelected.length;i++){
quizSelected[i].addEventListener("click",()=>{
// redirecting to next page with parameter
window.location = `quiz.html?quiz=${quizSelected[i].value}`
});
}