💾arr.last

JS ⟩ object ⟩ built-in ⟩ Array ⟩ custom properties ⟩ .last

💾 程式

// ⭐️ method 1:
Object.defineProperty(Array.prototype, 'last', {
    get() { return this[this.length - 1] }
})

// ⭐️ method 2:
Object.assign(Array.prototype, {
    get last() { return this[this.length - 1] }
});

📘 手冊

• Object.defineProperty()

• Object.defineProperties()

• Object.assign()

👥 相關

• object getter/setter

• shorthand property