context-track-example-second-level.js

const heroes = [
    {
        name: 'Batman',
        isFromDC: true,
        info: function() {
            console.log(`${this.name} is ${this.isFromDC ? '' : 'not '} from DC.`)
        },
    },
    {
        name: 'Spiderman',
        isFromDC: false,
        info: function() {
            console.log(`${this.name} is ${this.isFromDC ? '' : 'not '} from DC.`)
        },
    },
]

function pickRandom(arr) {
    return arr[Math.floor(Math.random() * arr.length)]
}

pickRandom(heroes).info()