JavaScript squareRoot
Math.sqrt() returns the square root of a number. Passing a negative value returns NaN.
Syntax
Math.sqrt(num)Examples
| Input | Arguments | Output |
|---|---|---|
| 9 | — | 3 |
Gotchas
- Math.sqrt of a negative number is NaN.
Try it live
Type your input and see squareRoot transform it instantly.
Want to go further? Chain squareRoot with other functions, pipe one output into the next and watch your data transform in the visual Playground.