by Kyojin Hwang
console.log(JSON.stringify('Hello World'))
console.log(JSON.stringify(3))
console.log(JSON.stringify(true))
console.log(JSON.stringify(null))
console.log(JSON.stringify({ a: 1, b: 2 }))
console.log(JSON.stringify([1, 2, 3]))
// "'Hello World'"
// "3"
// "true"
// "null"
// "{"a":1,"b":2}"
// "[1,2,3]"
console.log(JSON.parse('"Hello World"'))
console.log(JSON.parse('3'))
console.log(JSON.parse('true'))
console.log(JSON.parse('null'))
console.log(JSON.parse('{ "a": 1, "b": 2 }'))
console.log(JSON.parse('[1, 2, 3]'))
// "Hello World"
// 3
// true
// null
// {"a":1,"b":2}
// [1,2,3]