Age scraper coursera forum

gistfile1.js

(function(){
  // convert nodelists from querySelector functions into arrays
  var posts = Array.prototype.slice.call(
        document.body.querySelectorAll('.post_text_container'));
  var comments = Array.prototype.slice.call(
        document.body.querySelectorAll('.comment_text_container'));
  var texts = posts.concat(comments);
  var re = /\b\d{2}\b/g;
  var nums = [];
  texts.forEach(function(item){
    var match = item.textContent.match(re);
    // exclude posts with more than one potential age for data cleaning 
    if (match && match.length === 1){
      nums = nums.concat(match);
    }
  });
  console.log(nums);
})()