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83 lines (67 loc) · 1.48 KB
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console.log("Hello World!\n==========\n");
// Exercise 1 Section
console.log("EXERCISE 1:\n==========\n");
function plus(number) {
return function (plusNumber) {
return number + plusNumber;
}
}
let plus15 = plus(15)
console.log(plus15(10))
// Exercise 2 Section
console.log("EXERCISE 2:\n==========\n");
let users = [
{
name: "Frodo",
age: 50,
score: 85,
isActive: false,
},
{
name: "Sam",
age: 38,
score: 94,
isActive: true,
},
{
name: "Merry",
age: 36,
score: 82,
isActive: true,
},
{
name: "Pippin",
age: 26,
score: 77,
isActive: false,
},
];
users.forEach(user => console.log(user.name))
// Exercise 3 Section
console.log("EXERCISE 3:\n==========\n");
const namesAndAge = users.map(users => ({
user: users.name,
age: users.age,
}))
console.log(namesAndAge)
// Exercise 4 Section
console.log("EXERCISE 4:\n==========\n");
let activeUsers = users.filter((user) => user.isActive == true);
console.log(activeUsers);
// Exercise 5 Section
console.log("EXERCISE 5:\n==========\n");
function compareScores(a, b) {
return b.score - a.score;
}
users.sort(compareScores);
console.log(users);
// Exercise 6 Section
console.log("EXERCISE 6:\n==========\n");
let avgScore = users.reduce((sum, user, i, arr) => {
if (i == arr.length - 1) {
return sum + user.score / arr.length
} else {
return sum + user.score;
}
}, 0);
console.log(avgScore);