Counting the words

word_cloud_4.js

var text = $('#text').text();
var word_array = text.split(' ');
 
// blank array to store result
var word_count = {};

// lets count the words
for ( var x in word_array ) {
  // make the word lowercase
  var word = word_array[x].toLowerCase();
  
  // we are only interested in words with 3 or more characters
  if ( word.length >= 3 ) {
    if ( typeof word_count[word] != 'undefined' ) {
      // if the word exists in the array, lets increase its count
      word_count[word] += 2;
    } else {
      // if the word doesn't exist, lets set its initial count
      word_count[word] = 2;
    }
  } // end if statement for word.length
} // end for look