console.log(1 < 2 < 3);

console.log(3 < 2 < 1);

console.log(3 < 2);

console.log(false < 1);

console.log(0 < 1);

console.log(1 < 2 < 3);

console.log(true < 3);

console.log(1 < 3);

Number('1');

Number('哈囉');

Number(undefined);

Number(Null);

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