对象是否以javascript的深层或浅层副本推送到数组中？

这取决于您要推动什么。将对象和数组作为指向原始对象的指针进行推送。内置的原始类型（如数字或布尔值）将作为副本推送。因此，由于不以任何方式复制对象，因此没有深层或浅层对象。

这是显示它的工作片段：

var array = []; var x = 4; let y = {name: "test", type: "data", data: "2-27-2009"};

// primitive value pushes a copy of the value 4 array.push(x); // push value of 4 x = 5; // change x to 5 console.log(array[0]); // array still contains 4 because it's a copy

// object reference pushes a reference array.push(y); // put object y reference into the array y.name = "foo"; // change y.name property console.log(array[1].name); // logs changed value "foo" because it's a reference

// object reference pushes a reference but object can still be referred to even though original variable is no longer within scope if (true) { let z = {name: "test", type: "data", data: "2-28-2019"}; array.push(z); }

console.log(array[2].name); // log shows value "test" since the pointer reference via the array is still within scope