JS Practice — Built-in Objects

Math.SQRT2 — squared equals 2

📖 Usage Example

// Square root of 2
Math.SQRT2              // → 1.4142135623...
Math.SQRT2 === Math.sqrt(2)   // → true

Use Math.SQRT2 as a precomputed constant equal to √2, useful in geometry and diagonal calculations.

Math.SQRT2

By definition, (√2)² = 2. So Math.SQRT2 * Math.SQRT2 should be approximately 2.

Challenge: Verify that squaring Math.SQRT2 gives 2.

💡 Hints (2)