ES6 Sets

Sets are basically unique values. It’s a list of a set of a unique values.

// SETS - Store unique values of any type

const set1 = new Set();

// Add values to set
set1.add(100);
set1.add('A string');
set1.add({name: 'John'});
set1.add(true);
set1.add(100);

//console.log(set1);

const set2 = new Set([1, true, 'string']);

//console.log(set2);

// Get count
//console.log(set1.size)

// Check for values
console.log(set1.has(100));
console.log(set1.has(50+50));
console.log(set1.has({name: 'John'}));

// Delete from the set
set1.delete(100);

console.log(set1);

// Iterating through sets

// For.. of 
for(let item of set1){
    console.log(item);
}

// ForEach loop
set1.forEach((value) => {
    console.log(value);
});

// CONVERT SET TO ARRAY
const setArr = Array.from(set1);
console.log(setArr);