-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathloops5.js
50 lines (35 loc) · 1.39 KB
/
loops5.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
// const coding = ["js", "ruby", "java", "python", "cpp"]
// const values = coding.forEach( (item) => {
// //console.log(item);
// return item
// } )
//for each doesnt return any value.. undefined
// console.log(values);
const myNums = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
//filter
// const newNums = myNums.filter( (num) => {
// return num > 4
// } )
// const newNums = []
// myNums.forEach( (num) => {
// if (num > 4) {
// newNums.push(num)
// }
// } )
// console.log(newNums);
const books = [
{ title: 'Book One', genre: 'Fiction', publish: 1981, edition: 2004 },
{ title: 'Book Two', genre: 'Non-Fiction', publish: 1992, edition: 2008 },
{ title: 'Book Three', genre: 'History', publish: 1999, edition: 2007 },
{ title: 'Book Four', genre: 'Non-Fiction', publish: 1989, edition: 2010 },
{ title: 'Book Five', genre: 'Science', publish: 2009, edition: 2014 },
{ title: 'Book Six', genre: 'Fiction', publish: 1987, edition: 2010 },
{ title: 'Book Seven', genre: 'History', publish: 1986, edition: 1996 },
{ title: 'Book Eight', genre: 'Science', publish: 2011, edition: 2016 },
{ title: 'Book Nine', genre: 'Non-Fiction', publish: 1981, edition: 1989 },
];
let userBooks = books.filter( (bk) => bk.genre === 'History')
userBooks = books.filter( (bk) => {
return bk.publish >= 1995 && bk.genre === "History"
})
console.log(userBooks);