diff --git a/assignments/arrays.js b/assignments/arrays.js index 1dbf8bd35..10c1c08b5 100644 --- a/assignments/arrays.js +++ b/assignments/arrays.js @@ -5,7 +5,12 @@ 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 }, - { id: 3, car_make: "Land Rover", car_model: "Defender Ice Edition", car_year: 2010 }, + { + id: 3, + car_make: "Land Rover", + car_model: "Defender Ice Edition", + car_year: 2010 + }, { id: 4, car_make: "Honda", car_model: "Accord", car_year: 1983 }, { id: 5, car_make: "Mitsubishi", car_model: "Galant", car_year: 1990 }, { id: 6, car_make: "Honda", car_model: "Accord", car_year: 1995 }, @@ -18,7 +23,12 @@ let inventory = [ { id: 13, car_make: "Chevrolet", car_model: "Cavalier", car_year: 1997 }, { id: 14, car_make: "Dodge", car_model: "Ram Van 1500", car_year: 1999 }, { id: 15, car_make: "Dodge", car_model: "Intrepid", car_year: 2000 }, - { id: 16, car_make: "Mitsubishi", car_model: "Montero Sport", car_year: 2001 }, + { + id: 16, + car_make: "Mitsubishi", + car_model: "Montero Sport", + car_year: 2001 + }, { id: 17, car_make: "Buick", car_model: "Skylark", car_year: 1987 }, { id: 18, car_make: "Geo", car_model: "Prizm", car_year: 1995 }, { id: 19, car_make: "Oldsmobile", car_model: "Bravada", car_year: 1994 }, @@ -75,30 +85,61 @@ let inventory = [ // ==== 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*`); +console.log( + `Car 33 is a *car year goes here* *car make goes here* *car model goes here*` +); +// inventory.map(cb => { +// if (cb.id === 33) { +// console.log(cb.car_year, cb.car_make, cb.car_model); +// } +// }); + +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. let lastCar = 0; -console.log(); +console.log(`car 50 is a ${inventory[49].car_make} ${inventory[49].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 let carModels = []; -let carModelsSorted = []; -console.log(); + +for (let i = 0; i < inventory.length; i++) { + carModels.push(inventory[i].car_model); +} +console.log(carModels.sort()); +// let carModelsSorted = []; // ==== 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. let carYears = []; -console.log(); + +for (let i = 0; i < inventory.length; i++) { + carYears.push(inventory[i].car_year); +} +console.log(carYears.sort()); +let carYearssSorted = []; // ==== Challenge 5 ==== // The car lot manager needs to find out how many cars are older than the year 2000. Using the carYears array you just created, find out how many cars were made before the year 2000 by populating the array oldCars and logging it's length. let oldCars = []; -console.log(); +for (let i = 0; i < inventory.length; i++) { + if (carYears[i] < 2000) oldCars.push(inventory[i].car_year); + // } else { +} + +console.log(oldCars.length); // ==== Challenge 6 ==== // A buyer is interested in seeing only BMW and Audi cars within the inventory. Return an array that only contains BMW and Audi cars. Once you have populated the BMWAndAudi array, use JSON.stringify() to show the results of the array in the console. let BMWAndAudi = []; -console.log(); + +for (let i = 0; i < inventory.lenghth; i++) { + if (inventory[i].car_make === "BMW" || inventory[i].car_make === "Audi") + BMWAndAudi.push(inventory[i]); +} + +console.log(JSON.stringify(BMWAndAudi)); diff --git a/assignments/function-conversion.js b/assignments/function-conversion.js index 55f57ef62..948b3ecc5 100644 --- a/assignments/function-conversion.js +++ b/assignments/function-conversion.js @@ -1,30 +1,42 @@ // Take the commented ES5 syntax and convert it to ES6 arrow Syntax -// let myFunction = function () { -// console.log("Function was invoked!"); +let myFunction = () => { + console.log("Function was invoked!"); +}; +myFunction(); +// let myfunction = () => { +// console.log("function was invoked!"); // }; -// myFunction(); -// let anotherFunction = function (param) { +let anotherFunction = param => { + return param; +}; +anotherFunction("Example"); +// let anotherfunction = param => { // return param; // }; -// anotherFunction("Example"); -// let add = function (param1, param2) { +let add = (param1, param2) => { + return param1 + param2; +}; +add(1, 2); +// let add = (param1, param2) => { // return param1 + param2; // }; -// add(1,2); +// add(1, 2); -// let subtract = function (param1, param2) { +let subtract = (param1, param2) => { + return param1 - param2; +}; +subtract(1, 2); +// let subtract = (param1, param2) => { // return param1 - param2; // }; -// subtract(1,2); - - +// subtract(1, 2); // Stretch // exampleArray = [1,2,3,4]; // const triple = exampleArray.map(function (num) { // return num * 3; // }); -// console.log(triple); \ No newline at end of file +// console.log(triple); diff --git a/assignments/objects.js b/assignments/objects.js index 798d5e0cf..d686b8210 100644 --- a/assignments/objects.js +++ b/assignments/objects.js @@ -1,6 +1,6 @@ // Let's get some practice writing a few objects for a new group of interns at a small business. -// ==== Challenge 1: Writing Objects ==== +// ==== 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 @@ -14,51 +14,112 @@ 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 intern = [ + { + id: 1, + name: "Mitzi", + email: "mmello0@psu.edu", + gender: "F" + }, + { + id: 2, + name: "kennan", + email: "kdiben1@tinypic.com", + gender: "M", + speak: _ => `Hello, my name is ${intern[1].name}!` + }, + { + id: 3, + name: "keven", + email: "kmummery@wikimedia.org", + gender: "M" + }, + { + id: 4, + name: "Gannie", + email: "gmartinson3@illinois.edu", + gender: "M" + }, + { + id: 5, + name: "Antonietta", + email: "adine5@samsung.com", + gender: "F", + multiplyNums: (a, b) => a * b + } +]; + +// ==== 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(intern[0].name); // Kennan's ID +console.log(intern[1].id); // Keven's email - +console.log(intern[2].email); // Gannie's name +console.log(intern[3].name); // Antonietta's Gender +console.log(intern[4].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(intern[1].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(intern[4].multiplyNums(3, 4)); // === Great work! === Head over to the the arrays.js. You may come back and attempt the Stretch Challenge once you have completed the challenges in arrays.js and function-conversion.js. -// ==== 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 = {} +// const parent = {}; // Log the parent object's name - +// let parent = {}; +const parent = { + name: "Susan", + age: 70, + speak: function() { + return `Hi, my name is ${this.name}`; + }, + child: { + name: "George", + age: 50, + speak: `Hi, my name is George`, + grandchild: { + name: "Sam", + age: 30, + speak: `Hi, my name is Sam` + } + } +}; +console.log(parent.name); +console.log(parent.age); // Log the child's age +console.log(parent.child.age); // Log the name and age of the grandchild - +console.log(parent.child.grandchild.age); +console.log(parent.child.grandchild.name); // Have the parent speak - +console.log(parent.speak); // Have the child speak - +console.log(parent.child.speak); // Have the grandchild speak +console.log(parent.child.grandchild.speak);