diff --git a/assignments/arrays.js b/assignments/arrays.js index 0b5ecad74..cc7398ef7 100644 --- a/assignments/arrays.js +++ b/assignments/arrays.js @@ -1,6 +1,9 @@ +/*jshint esversion: 6 */ + // To help us use arrays with real world problems we are going to simulate a used car dealer that has 50 cars in their inventory. -// The car dealer has all of their inventory housed in the array seen below. Scroll down past the data to find out how you can help the car dealer. +// The car dealer has all of their inventory housed in the array seen below. +// Scroll down past the data to find out how you can help the car dealer. let inventory = [{"id":1,"car_make":"Lincoln","car_model":"Navigator","car_year":2009}, {"id":2,"car_make":"Mazda","car_model":"Miata MX-5","car_year":2001}, @@ -62,33 +65,60 @@ let inventory = [{"id":1,"car_make":"Lincoln","car_model":"Navigator","car_year" // } // ==== Challenge 1 ==== -// The dealer can't recall the information for a car with an id of 33 on his lot. Help the dealer find out which car has an id of 33 by logging the car's year, make, and model in the console log provided to you below: -console.log(`Car 33 is a *car year goes here* *car make goes here* *car model goes here*` ); +// The dealer can't recall the information for a car with an id of 33 on his lot. +// Help the dealer find out which car has an id of 33 by logging the car's year, make, and model in the console log provided to you below: +console.log("Car 33 is a " + inventory[32].car_year + " " + inventory[32].car_make + " " + inventory[32].car_model); // ==== Challenge 2 ==== -// The dealer needs the information on the last car in their inventory. What is the make and model of the last car in the inventory? Log the make and model into the console. +// The dealer needs the information on the last car in their inventory. +// What is the make and model of the last car in the inventory? Log the make and model into the console. let lastCar = 0; -console.log(); +lastCar = inventory.length -1; +console.log("The make and model of the last car in the inventory is a " + inventory[lastCar].car_make + " " + inventory[lastCar].car_model); // ==== Challenge 3 ==== -// The marketing team wants the car models listed alphabetically on the website. Sort all the car model names into alphabetical order and log the results in the console +// The marketing team wants the car models listed alphabetically on the website. +// Sort all the car model names into alphabetical order and log the results in the console let carModels = []; -console.log(); +for (let i = 0; i < inventory.length; i++) { + let x = inventory[i].car_model; + carModels.push(x); + } +console.log(carModels.sort()); // ==== Challenge 4 ==== -// The accounting team needs all the years from every car on the lot. Create a new array from the dealer data containing only the car years and log the result in the console. +// The accounting team needs all the years from every car on the lot. +// Create a new array from the dealer data containing only the car years and log the result in the console. let carYears = []; -console.log(); +for (let i=0; i { +console.log("Function was invoked!"); +}; +myFunction(); + // let anotherFunction = function (param) { // return param; // }; // anotherFunction("Example"); +let anotherFunction = (param) => { + return param; +}; +console.log(anotherFunction("Example")); + // let add = function (param1, param2) { // return param1 + param2; // }; // add(1,2); +let add = (param1, param2) => { + return param1 + param2; +}; +console.log(add(1,2)); + // let subtract = function (param1, param2) { // return param1 - param2; // }; // subtract(1,2); +let subtract = (param1, param2) => { + return param1 - param2; +}; +console.log(subtract(1,2)); + // Stretch @@ -27,4 +49,8 @@ // const triple = exampleArray.map(function (num) { // return num * 3; // }); -// console.log(triple); \ No newline at end of file +// console.log(triple); + +exampleArray = [1,2,3,4]; +const triple = exampleArray.map(num => num * 3); +console.log(triple); diff --git a/assignments/objects.js b/assignments/objects.js index 40baf8d36..8ec05ae92 100644 --- a/assignments/objects.js +++ b/assignments/objects.js @@ -1,7 +1,10 @@ +/*jshint esversion: 6 */ + // Let's get some practice writing a few objects for a new group of interns at a small business. -// ==== Challenge 1: Writing Objects ==== -// HR needs some information on the new interns put into a database. Given an id, email, first name, and gender. Create an object for each person in the company list: +// ==== Challenge 1: Writing Objects ==== +// HR needs some information on the new interns put into a database. Given an id, email, first name, and gender. +// Create an object for each person in the company list: // 1,mmelloy0@psu.edu,Mitzi,F // 2,kdiben1@tinypic.com,Kennan,M @@ -14,49 +17,115 @@ const example = { "id": 0, "name": "Example", "email": "examples@you.edu", - "gender": "F" -} + "gender": "F", +}; // Write your intern objects here: - - -// ==== Challenge 2: Reading Object Data ==== +const intern1 = { + "id": 1, + "name": "Mitzi", + "email": "mmelloy0@psu.edu", + "gender": "F" +}; + +const intern2 = { + "id": 2, + "name": "Kennan", + "email": "kdiben1@tinypic.com", + "gender": "M", + + "speak": function(){ + return "Hello, my name is " + intern2.name; + } +}; + +const intern3 = { + "id": 3, + "name": "Keven", + "email": "kmummery2@wikimedia.org", + "gender": "M" +}; + +const intern4 = { + "id": 4, + "name": "Gannie", + "email": "gmartinson3@illinois.edu", + "gender": "M" +}; + +const intern5 = { + "id": 5, + "name": "Antonietta", + "email": "adaine5@samsung.com", + "gender": "F", + + "multiplyNums": function(x,y){ + return x*y; + } +}; + +// ==== Challenge 2: Reading Object Data ==== // Once your objects are created, log out the following requests from HR into the console: // Mitzi's name - +console.log(intern1.name); // Kennan's ID - +console.log(intern2["id"]); // Keven's email - +console.log(intern3.email); // Gannie's name - +console.log(intern4["name"]); // Antonietta's Gender +console.log(intern5.gender); -// ==== Challenge 3: Object Methods ==== +// ==== Challenge 3: Object Methods ==== // Give Kennan the ability to say "Hello, my name is Kennan!" Use the console.log provided as a hint. // console.log(kennan.speak()); +console.log(intern2.speak()); // Antonietta loves math, give her the ability to multiply two numbers together and return the product. Use the console.log provided as a hint. //console.log(antonietta.multiplyNums(3,4)); +console.log(intern5.multiplyNums(3,4)); // === Great work! === Head over to the the arrays.js file or take a look at the stretch challenge -// ==== Stretch Challenge: Nested Objects and the this keyword ==== +// ==== Stretch Challenge: Nested Objects and the this keyword ==== // 1. Create a parent object with properties for name and age. Make the name Susan and the age 70. // 2. Nest a child object in the parent object with name and age as well. The name will be George and the age will be 50. // 3. Nest a grandchild object in the child object with properties for name and age. The name will be Sam and the age will be 30 // 4. Give each of the objects the ability to speak their names using the this keyword. - -const parent = {} +// answer(){ +// return "Hello, my name is " + this.name; +// } + +const parent = { + "name": "Susan", + "age": 70, + "speak": function answer(){ + return "Hello, my name is " + this.name; + }, + // "speak": answer(name), + "child": { + "name": "George", + "age": 50, + // "speak": answer(this.name), + "grandchild": { + "name": "Sam", + "age": 30, + // "speak": function answer(){ + // return "Hello, my name is " + this.name; + // } + } + } +}; // Log the parent object's name - +console.log(parent.name); // Log the child's age - +console.log(parent.child.age); // Log the name and age of the grandchild - +console.log(parent.child.grandchild.name + " " + parent.child.grandchild.age); // Have the parent speak // Have the child speak