Javascript not working in Wordpress?

Question

JavaScript

JavaScript test. Doesn't work in wordpress. Please, help

function getRes() {
    var key = "122021321011421130221141421021421222220201";//номера радиобаттона каждого вопроса (правильные ответы)
     var res = 0;
     for (var i=0; i < (document.forms.length - 1); i++) {
       if (document.forms[i].q[key.charAt(i)].checked) res++;}
     alert("Количество правильных ответов: " + res);}

Answer 1

1) It's impossible to tell why something doesn't work without seeing where it doesn't work.
2) In any case, this is just a function, and in order for it to work, it must be called