Solution for Bunny Question in "Coding Interview with Dan Abramov"

bunny.js

// https://www.youtube.com/watch?v=XEt09iK8IXs

let pos = 2;
let len = 4;

function jump() {
    if (pos === 0) {
        pos += 1
    } else if (pos === len - 1) {
        pos -= 1
    } else {
        if (Math.random() > 0.5) {
            pos += 1
        } else {
            pos -= 1
        }
    }
}

let found = false;

console.log('first loop');

for (let i=1; i<len-1; i++) {
    console.log('attempt at', i, 'bunny at', pos);
    if (i === pos) {
        found = true;
        console.log('found at', i);
        break;
    }

    jump();
}

if (!found) {
    console.log('second loop');
    for (let i=len-2; i>0; i--) {
        console.log('attempt at', i, 'bunny at', pos);
        if (i === pos) {
            found = true;
            console.log('found at', i);
            break;
        }

        jump();
    }
}

if (!found) {
    console.log('not found!', 'bunny at', pos);
}