var array = [
{ number: 1 },
{ number: 2 },
{ number: 3 }
];
var copyArray = JSON.parse(JSON.stringify(array))
copyArray[0].number = 100;
console.log(array); // [{number: 1}, { number: 2 }, { number: 3 }]
console.log(copyArray); // [{number: 100}, { number: 2 }, { number: 3 }]
亲测好用
