# JavaScript: Clamp a number within the inclusive range specified by the given boundary values a and b

## JavaScript fundamental (ES6 Syntax): Exercise-266 with Solution

Write a JavaScript program to clamp a number within the inclusive range specified by the given boundary values a and b.

- If num falls within the range, return num.
- Otherwise, return the nearest number in the range.

**Sample Solution:**

**JavaScript Code:**

```
//#Source https://bit.ly/2neWfJ2
const clampNumber = (num, a, b) => Math.max(Math.min(num, Math.max(a, b)), Math.min(a, b));
console.log(clampNumber(2, 3, 5));
console.log(clampNumber(1, -1, -5));
```

Sample Output:

3 -1

**Flowchart:**

**Live Demo: **

See the Pen javascript-basic-exercise-266-1 by w3resource (@w3resource) on CodePen.

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