text: (function () {
      function substringContains(subStr, str) {
          var len = str.length;
          var subStrLen = subStr.length;
          var counter = 0;
          var temp = 0;
  
          str = str.toLowerCase();
  
          for (var i = 0; i < len; i += 1) {
              if (str.substr(i, subStrLen) === subStr) {
                  counter += 1;
                  i += subStrLen;
              }
  
  // Second way to solve the problem... litle more long.. and i make my own substring thing :)
  
  //            if (subStr[0] === str[i]) {
  //                for (var j = 0, index = i; j < subStrLen; j += 1, index += 1) {
  //                    if (subStr[j] !== str[index]) {
  //                        break;
  //                    } else {
  //                        temp += 1;
  //                    }
  //                }
  //
  //                if (temp === subStrLen) {
  //                    counter += 1;
  //                }
  //            }
  //
  //            temp = 0;
  
  
          }
  
          return counter;
  
      }
  
      var string = 'We are living in an yellow submarine. ' +
          'We don\'t have anything else. Inside the submarine is very tight.' +
          'So we are drinking all the day. We will move out of it in 5 days.';
      var word = 'in';
      var count = substringContains(word, string);
  
      console.log('STRING: ' + string);
      console.log('The word "' + word + '" is contained  ' + count + ' times in this string');
  
  }());