Sets

Question 1

Create set

Answer 1

let set = new Set()

Question 2

Add value to set

Answer 2

set.add(value)

Question 3

Check if value exists

Answer 3

set.has(value)

Question 4

Delete value from set

Answer 4

set.delete(value)

Question 5

Remove duplicates from array

Answer 5

let uniqueArray = […new Set(array)]

Question 6

Find length of set

Answer 6

set.size

Question 7

Clear set

Answer 7

set.clear()

Question 8

convert set to array

Answer 8

let myArray = Array.from(mySet)

Question 9

Convert set to array

Answer 9

let myArray = […mySet]

Question 10

Loop through set

Answer 10

for (let value of mySet) {
console.log(value)
}