Equality Properties of moment

momentEquality.js

const moment = require('moment');

let a = moment.utc('2018-01-16T13:00:00Z');
let b = moment('2018-01-16T13:00:00Z');
let c = moment.utc('2018-01-16T13:00:00Z');

// Reflexive
console.log('reflexive');
console.log('a == a', a.isSame(a));

// Symmetric
console.log('symmetric');
console.log('a == b', a.isSame(b));
console.log('b == a', b.isSame(a));

// Transitive
console.log('transitive');
console.log('a == b', a.isSame(b));
console.log('b == c', b.isSame(c));
console.log('a == c', a.isSame(c));

reflexive
a == a true
symmetric
a == b true
b == a true
transitive
a == b true
b == c true
a == c true