truncateString.js

function truncateString(str, num) {
  // Clear out that junk in your trunk
  //var trunk;
  if(str>str.slice(0,num) && num>3){
  str=str.slice(0,num-3)+"...";
  }
  else if(num<=3){
    str=str.slice(0, num)+"...";
  }
  
  return str;
}

truncateString("Absolutely Longer", 2);