复制1const person = { 2 name: "Lydia Hallie", 3 address: { 4 street: "100 Main St" 5 } 6}; 7 8Object.freeze(person);
1const person = { 2 name: "Lydia Hallie", 3 address: { 4 street: "100 Main St" 5 } 6}; 7 8Object.freeze(person);
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