Array(5).fill({name:'linda', age: 18, sex: 1})

//结果
[ { name: 'linda', age: 18, sex: 1 },
{ name: 'linda', age: 18, sex: 1 },
{ name: 'linda', age: 18, sex: 1 },
{ name: 'linda', age: 18, sex: 1 },
{ name: 'linda', age: 18, sex: 1 } ]