javascrip set code example

Example 1: set js

// Use to remove duplicate elements from the array 

const numbers = [2,3,4,4,2,3,3,4,4,5,5,6,6,7,5,32,3,4,5]

//spreading numbers of the object into an array using the new operator
console.log([...new Set(numbers)]) 

// [2, 3, 4, 5, 6, 7, 32]

Example 2: set js

let text = 'India'

let mySet = new Set(text)  // Set ['I', 'n', 'd', 'i', 'a']
mySet.size  // 5

//case sensitive & duplicate ommision
new Set("Firefox")  // Set(7) [ "F", "i", "r", "e", "f", "o", "x" ]
new Set("firefox")  // Set(6) [ "f", "i", "r", "e", "o", "x" ]

Example 3: object set js

let nombres = [10, 45, 75, 10 ,24,45 ] ;
//let monSet = new Set(nombres) ;
let monSet = new Set() ;

monSet.add('100') ;
monSet.add('280') ; 
//monSet.delete('100');

console.log(monSet.size) ;