這是最常用的方式，通過大括號{}來創(chuàng)建個對象，直接為其添加屬性和值。

```javascript

let immigrationLawyer = {

name: 'John Doe',

specialty: 'Investment Immigration'

}

```

這種方式主要用于創(chuàng)建多個具有相同屬性的對象。

```javascript

function Lawyer(name, specialty) {

this.name = name;

this.specialty = specialty;

}

let immigrationLawyer = new Lawyer('John Doe', 'Investment Immigration');

```

JavaScript中的每個對象都有個原型（prototype）通過這個原型為對象添加屬性和方法。

```javascript

function Lawyer() {}

Lawyer.prototype.name = 'John Doe';

Lawyer.prototype.specialty = 'Investment Immigration';

let immigrationLawyer = new Lawyer();

```

這是種更現(xiàn)代的方式來定義對象。

```javascript

class Lawyer {

constructor(name, specialty) {

this.name = name;

this.specialty = specialty;

}

}

let immigrationLawyer = new Lawyer('John Doe', 'Investment Immigration');

```