A text analyzer script

text_analyzer.js

function wordCount(text) {
  return text.split(" ").length;  
};

function uniqueWordCount(text) {
  var words = text.split(" ");
  var counts = [];
  for(var i = 0; i < words.length; i++ ) {
    // if the word's position in the array exists, then don't push it into the empty array
    if(counts.indexOf(words[i]) === -1) {
      counts.push(words[i]);
    }
  }
  return counts.length;
};

function averageWordLength(text) {
  var words = text.split(" ");
  var totalCharacters = 0;
  for(var i = 0; i < words.length; i++) {
    totalCharacters += words[i].length;
  }
  return (totalCharacters / words.length).toFixed(2);
}

$(function() {
  $('button').click(function(abc) {
    abc.preventDefault();
    console.log(abc);
    // Get the words into an array
    // call all of our functions by passing in the data from the text area
    var text = $('textarea').val();
    $('#js-count').html(wordCount(text));
    $('#js-unique').html(uniqueWordCount(text));
    $('#js-average').html(averageWordLength(text));
    $('dl').removeClass('hidden');
  });
});