🦠Boolean

🚧 under construction

JS ⟩ primitive ⟩ boolean

!!x    // any -> boolean

⭐️ 重點

Every value is either truthy or falsy❗

operator(s) that expect boolean operands will work with an operand of any type❗

convert any value to Boolean.

!!x    // conversion: any -> true/false

🔴 主題

👥 相關