var square = function(num) { return num * num; } var list = [1, 2, 3, 4, 5]; var squares = []; for (var i = 0; i < list.length; i++) { squares.push(square(list[i])); } 1st Cup: A simple comparison
var square = function(num) { return num * num; } var list = [1, 2, 3, 4, 5]; var squares = []; for (var i = 0; i < list.length; i++) { squares.push(square(list[i])); } 1st Cup: A simple comparison
var square = function(num) { return num * num; } var list = [1, 2, 3, 4, 5]; var squares = []; for (var i = 0; i < list.length; i++) { squares.push(square(list[i])); } 1st Cup: A simple comparison
var square = function(num) { return num * num; } var list = [1, 2, 3, 4, 5]; var squares = []; for (var i = 0; i < list.length; i++) { squares.push(square(list[i])); } 1st Cup: A simple comparison
var square = function(num) { return num * num; } var list = [1, 2, 3, 4, 5]; var squares = []; for (var i = 0; i < list.length; i++) { squares.push(square(list[i])); } 1st Cup: A simple comparison
Splats languagesOfChoice = (langs...) -> “I like #{langs.join(“, “)}” languagesOfChoice “Ruby”, “JS”, “Python” > I like Ruby, JS, Python 3rd Cup: Your Favorite Language
Splats languagesOfChoice = (best, langs...) -> “I love #{best}, and I like #{langs.join(“, “)}” languagesOfChoice “Ruby”, “JS”, “Python” > I love Ruby, and I like JS, Python 3rd Cup: Your Favorite Language
Splats languagesOfChoice = (langs..., worst) -> “I like #{langs.join(“, “)}, but I hate #{worst}” languagesOfChoice “Ruby”, “JS”, “PHP” > I like Ruby, JS, but I hate PHP 3rd Cup: Your Favorite Language
me = name: “Nicolás” company: “Cubox” { name: name, company: company } = me name #=> “Nicolás” company #=> “Cubox” Pattern Matching 4th Cup: Getting Inside Your Objects
6th Cup: Context, the classy way super class SignedInUser extends User constructor: (args...) -> super args... $(“a.sign-out”, @element).click => this.signOut()
languagesOfChoice = (best, langs...) -> “I love #{best}, and I like #{langs.join(“, “)}” languagesOfChoice “Ruby” > I love Ruby, and I like Follow-up: Existential Operator
languagesOfChoice = (best, langs...) -> “I love #{best}, and I like #{langs.join(“, “)}” languagesOfChoice “Ruby” > I love Ruby, and I like languagesOfChoice() > I love , and I like Follow-up: Existential Operator
Follow-up: Existential Operator languagesOfChoice = (best, langs...) -> ret = [] if best? ret.push “I love #{best}” if langs.length > 0 ret.push “I like #{langs.join(“, “)}” ret.join(“, and “)
languagesOfChoice = (best, langs...) -> ret = [] if best? ret.push “I love #{best}” if langs.length > 0 ret.push “I like #{langs.join(“, “)}” ret.join(“, and “) Follow-up: Existential Operator
languagesOfChoice = (best, langs...) -> ret = [] if best? ret.push “I love #{best}” if langs.length > 0 ret.push “I like #{langs.join(“, “)}” ret.join(“, and “) Follow-up: Existential Operator
languagesOfChoice = (best, langs...) -> ret = [] if best? ret.push “I love #{best}” if langs.length > 0 ret.push “I like #{langs.join(“, “)}” ret.join(“, and “) Follow-up: Existential Operator
languagesOfChoice = (best, langs...) -> ret = [] if best? ret.push “I love #{best}” if langs.length > 0 ret.push “I like #{langs.join(“, “)}” ret.join(“, and “) Follow-up: Existential Operator
languagesOfChoice “Ruby”, “JS”, “Python” > I love Ruby, and I like JS, Python languagesOfChoice “Ruby” > I love Ruby languagesOfChoice undefined, “Ruby”, “JS” > I like Ruby, JS Follow-up: Existential Operator
languagesOfChoice “Ruby”, “JS”, “Python” > I love Ruby, and I like JS, Python languagesOfChoice “Ruby” > I love Ruby languagesOfChoice undefined, “Ruby”, “JS” > I like Ruby, JS languagesOfChoice() > “” Follow-up: Existential Operator