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78 lines (69 loc) · 1.63 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(function(user){
console.log(user.name)
})
// Exercise 3 Section
console.log("EXERCISE 3:\n==========\n");
let namesAndScores = users.map(user =>{
return {name: user.name, score: user.score}
});
console.log(namesAndScores);
// Exercise 4 Section
console.log("EXERCISE 4:\n==========\n");
let activeUsers = users.filter((user) => user.isActive);
console.log(activeUsers);
// Exercise 5 Section
console.log("EXERCISE 5:\n==========\n");
let sortByScore = users.sort((user1, user2) => (user1.score > user2.score) ? 1 : -1);
// let sortByScoreAlt = users.sort(function(user1, user2){
// if(user1.score > user2.score){
// return 1;
// }
// else return -1;
// })
console.log(sortByScore.reverse());
// Exercise 6 Section
console.log("EXERCISE 6:\n==========\n");
let sumOfScores = users.reduce(getSum, 0);
function getSum(total, user){
return total+user.score;
}
let averageScore = (sumOfScores / users.length);
console.log(averageScore);