Script•3y ago

Script – 23-22 Jan 26

What does the OR statement do in this block of code?

result = cars.reduce(function (r, a) {
      console.log("RR",r)
        r[a.make] = r[a.make] || [];
        r[a.make].push(a);
        return r;
    }, Object.create(null));

result = cars.reduce(function (r, a) {
      console.log("RR",r)
        r[a.make] = r[a.make] || [];
        r[a.make].push(a);
        return r;
    }, Object.create(null));

3 Replies

Unknown User•3y ago

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Script•3y ago

ah make sense. thanks

reactibot•3y ago

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