set array code example
Example 1: array to set javascript
const myArray = [1,2,3,1,5,8,1,2,9,4];
const unique = [...new Set(myArray)]; // [1, 2, 3, 5, 8, 9, 4]
const myString = ["a","b","c","a","d","b"];
const uniqueString = [...new Set(myString)]; //["a", "b", "c", "d"]
Example 2: 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);