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85 lines (70 loc) · 1.28 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 plus = (number) => (plusNumber) => number + plusNumber;
const plus15 = plus(15);
console.log(plus15(10));
//exercise 2
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
const namesAndScores = users.map((user) => {
return {
name: user.name,
score: user.score,
};
});
console.log(namesAndScores);
//exercise 4
const filteredNames = users.filter((user) => {
return user.isActive === true;
});
console.log(filteredNames);
//exercise 5
users.sort((a, b) => {
if (a.score > b.score) {
return -1;
}
if (a.score < b.score) {
return 1;
}
return 0;
});
console.log(users);
//exercise 6
const total = users.reduce((currentTotal, users) => {
return users.score + currentTotal;
}, 0);
console.log(total / 4);