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* Author : Jaydatt Patel

Objects : var = { Prop : val,...}

Map : var = new Map()

Data can be stored with realting hash value using map. Hash value can not be same.

Set : var = new Set(array)

Other : Queues, Linked lists (singly-linked and doubly-linked), Trees, Graphs

console.log("-----------Map");

let bestBoxers = new Map();

bestBoxers.set(1, "The Champion");

bestBoxers.set(2, "The Runner-up");

bestBoxers.set(3, "The third place");

bestBoxers.set(1, "xyz");

console.log(bestBoxers);

console.log("bestBoxers.get(1) : ", bestBoxers.get(1));

// In set there are no duplicate values.

// Elements of Set can not be accessed by index.

console.log("-----------Set-1");

const repetitiveFruits = ["apple", "pear", "apple", "pear", "plum", "apple"];

const uniqueFruits = new Set(repetitiveFruits);

console.log(uniqueFruits);

console.log("-----------Set-2");

let set = new Set();

set.add(1);

set.add(2);

set.add(3);

set.add(4);

set.add(1);

set.delete(4);

console.log(set);

console.log("set.size:", set.size);

console.log("-----------Set-3");

var s1 = new Set([1, 2, 3, 4]);

console.log("typeof(s1): ", typeof s1);

console.log("s1: ", s1);

console.log("-----------Set-4");

arr1 = [1, 2, 4, 5, 7];

arr2 = [3, 4, 6, 7, 9, 0];

function mergeArray(arr1, arr2) {

//Implemet your function here

let arr = [...new Set([...arr1, ...arr2])];

return arr;

}

console.log(mergeArray(arr1, arr2));

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