// The Coding Train / Daniel Shiffman

// https://thecodingtrain.com/CodingChallenges/040.1-wordcounts-p5.html

​

let txt;

let counts = {};

let keys = [];

​

function preload() {

  txt = loadStrings('rainbow.txt');

}

​

function setup() {

  let allwords = txt.join("\n");

  let tokens = allwords.split(/\W+/);

  for (let i = 0; i < tokens.length; i++) {

    let word = tokens[i].toLowerCase();

    if (!/\d+/.test(word)) {

      if (counts[word] === undefined) {

        counts[word] = 1;

        keys.push(word);

      } else {

        counts[word] = counts[word] + 1;

      }

    }

  }

​

  keys.sort(compare);

​

  function compare(a, b) {

    var countA = counts[a];

    var countB = counts[b];

    return countB - countA;

  }

​

  for (let i = 0; i < keys.length; i++) {

    let key = keys[i];

    createDiv(key + " " + counts[key]);

  }

​

  noCanvas();

}