easy5 pts · first answer countsjavascriptjson

What JSON.stringify leaves out

What does this print?

const o = { a: 1, b: undefined, c: () => 2, d: null }
console.log(JSON.stringify(o))

A.{"a":1,"d":null}B.{"a":1,"b":null,"c":null,"d":null}C.{"a":1,"b":undefined,"d":null}D.{"a":1,"b":"undefined","c":"() => 2","d":null}

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