...new Set() js explanitaion code example

Example 1: set in javascript

// set is used for storing unique values
const firstSet = new Set([1, 2, 3]);

firstSet.add('hi'); //adding value to set

firstSet.add(3); //this will not give any error and it will also not be added

firstSet.delete('hi');//removing value from set

console.log(firstSet.has('hi'));//checking 'hi' is in the set or not

// showing all values in the set
console.log(firstSet);
for (const entry of firstSet.values()) {
    console.log(entry);

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" ]