Code snippets for ThoughtWorks Team Hug presentation - comparing JavaScript and CoffeeScript (part 4)

15-pattern-matching-3.coffee

createPoint = (lat, lng) ->
  { lat, lng }

15-pattern-matching-3.js

function createPoint(lat, lng) {
    var point = {
        lat: lat,
        lng: lng
    }
    return point;
}

16-jquery.coffee

$(document).ready(->
  tip = $ "#coffee-tooltip"

  tip.addClass "hidden" unless tip.hasClass "hidden"
)

16-jquery.js

$(document).ready(function() {
    var tip = $("#js-tooltip");

    if (!tip.hasClass("hidden")) {
        tip.addClass("hidden");
    }
});

17-underscore.coffee

myTeamHugSession =
  title: "CoffeeScript"
  time:
    start: "2:30pm"
    finish: "3:30pm"


console.log _.keys myTeamHugSession  # ["title", "time"]

17-underscore.js

var myTeamHugSession = {
  title: "CoffeeScript",
  time: {
    start: "2:30pm",
    finish: "3:30pm"
  }
};

console.log(_.keys(myTeamHugSession)); // ["title", "time"]

18-jasmine-test.coffee

describe "The Game Object", ->

  it "should have a score of 0 if I knock down no skittles", ->
    game = new Game()
    game.roll(0)
    score = game.score()
    expect(score).toBe 0

18-jasmine-test.js

describe("The Game Object", function() {

    it("should have a score of 0 if I knock down no skittles", function() {
        var game = new Game();
        game.roll(0);
        var score = game.score();
        expect(score).toBe(0);
    });
});