💾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

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