Forcing "completion" of a checkbox list

We ran into the same issue with learners being able to uncheck boxes. I ended up adding some Javascript to the exported course to hide the "hit area" of a checkbox after it's clicked. It's crude, but it worked for us.

var el = document.getElementsByClassName("block-list__checkbox__hitarea");
window.onload = function (){
var i = setInterval(function (){
if (el.length){
clearInterval(i);

el[0].addEventListener("click", function(){el[0].hidden = true}, false);
el[1].addEventListener("click", function(){el[1].hidden = true}, false);
el[2].addEventListener("click", function(){el[2].hidden = true}, false);
}}, 100);};