===

### Giai đoạn: Nền Tảng & Khái Niệm Cốt Lõi **===** The `===` operator compares two values for equality without type coercion. Both the value and the type must match for the comparison to return `true`. It is the recommended equality operator for most cases because it produces predictable results. ### Khái niệm cốt lõi: 1. **The `===` operator compares two values for equality without type coercion** 2. **Both the value and the type must match for the comparison to return `true`** 3. **It is the recommended equality operator for most cases because it produces predictable results** ### Tài liệu tham khảo chính thống: - [Strict equality - MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality) (article)