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.

Improve this sample solution and post your code through Disqus

Previous: Write a JavaScript program to chunk an array into smaller arrays of a specified size.
Next: Calculate the midpoint between two points.