JSON.stringify()

Question

What does the code snippet to the right output by console.log?

Please refer to the format guide for cases like quotes in quotes

Snippet

// attention that for console.log('"a"'), you should enter ""a""
// please refer to format guide

console.log(JSON.stringify(['false', false]))
console.log(JSON.stringify([NaN, null, Infinity, undefined]))
console.log(JSON.stringify({a: null, b: NaN, c: undefined}))

Source

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