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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: forEach
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: map
console.log("EXERCISE 3:\n==========\n");
let newUsersMap = users.map((user) => {
return `name: ${user.name}, score: ${user.score}`;
});
console.log(newUsersMap);
// Exercise 4: filter
console.log("EXERCISE 4:\n==========\n");
let newUsersFilter = users.filter((user) => {
return user.isActive;
});
console.log(newUsersFilter);
// Exercise 5: sort
console.log("EXERCISE 5:\n==========\n");
let newUsersSort = users.sort(
(a, b) => parseFloat(a.score) - parseFloat(b.score)
);
// Exercise 6: reduce
console.log("EXERCISE 6:\n==========\n");
let newUsersReduce = users.reduce((totalScore, user) => {
return (totalScore += user.score);
}, 0);
console.log(newUsersReduce);