➕division (/)

JS ⟩ operator ⟩ arithmetic ⟩ division (/)

👉 table of operators

a / b    // floating-point division

⭐️ 重點

/ operator 👉 table of operators

• (all numbers are floating-point) all division have floating-point results. (5/2 === 2.5)

• division by zero yields ±infinity (no error)❗

• 0/0 evaluates to NaN (no error)❗

💡neither of these cases raises an error❗

💈範例

• replit：division (a / b)

 5 / 2,    // 2.5
 3 / 0,    // Infinity
-2 / 0,    // -Infinity
 0 / 0,    // NaN

👥 相關

• 🔸global object property：

• ⛔ possible errorrs

📗 參考

• JavaScript: The Definitive Guide ⟩ 4.8

📘 手冊

• Infinity - global property

• NaN - global property