Random number

Random number between -13 and +13, skipping -3 to +3

HTML

<input type="button" value="Get Random" onclick="alert(setTimeout())" />

JavaScript

var dataArray = [1, 2, 3];
dataArray.forEach(function(element, index) {
  setTimeout(function() {
    console.log(element);
  }, 1000 * index)
});