집합 자료형

집합 자료형

 

typeof mySet = object 

const { log } = require("console");

let mySet = new Set();

mySet.add(1)
mySet.add(2)
mySet.add(3)
mySet.add(3)

log(mySet.size)
log(mySet.has(1))

mySet.delete(1)

for(let item of mySet) log(item)