JSFiddle - React, Tailwind, and code Playground

by vikikamath

JavaScript

var network = {
    1: [5,6,8,9],
    2: [4,5,6,7,8,9],
    3: [4,5,7,8],
    4: [2,3,5,6,8,9],
    5: [1,2,3,4,6,7,8,9],
    6: [1,2,4,5,7,8],
    7: [2,3,5,6],
    8: [1,3,4,6],
    9: [1,2,4,5]
};

console.log(network[2]);
console.log(network[7]);
var intersection = network[2].filter(function(arrElem){
   return arrElem !== 5 && network[7].indexOf(arrElem) != -1;
});
console.log(intersection);