Set actions on any project, (useful for debugging)

actions.js

function queue(list, lastValue) {
  var item = list[0];
  if (!list.length) {
    console.log("Queue debug end");
    return;
  }
  switch (typeof item) {
    case "number":
      setTimeout(function() {
        queue.call(this, list.slice(1));
      }, item);
      break;
    case "function":
      var counter = 0;
      var fnSearch = function() {
        var result = item(lastValue);
        if (result === undefined || result !== null) {
          queue.call(this, list.slice(1), result);
        } else {
          if (counter < 50) {
            counter++;
            setTimeout(function() {
              fnSearch();
            }, 50);
          } else {
            console.error(
              "function error, element not found after",
              (counter + 1) * 50,
              "milliseconds"
            );
          }
        }
      };
      fnSearch();
      break;
    default:
      console.error("Item in the list is not a number or function");
  }
}

queue([
  300,
  function() {
    return document.body;
  },
  function(result) {
    result.style.background = "red";
  }
]);