js-ternary-operation-2.js

var MIN_VALUE = 1;
var MAX_VALUE = 5;

/**
 * boundedValue(val)
 *
 * Returns val if val between MIN_VALUE and MAX_VALUE both inclusive
 *
 * Otherwise, returns MIN_VALUE if val is less than MIN_VALUE
 *
 * Else, returns MAX_VALUE if val is greater than MAX_VALUE
 */

// METHOD 1: Using if/else statements
function boundedValue(val) {
  if (val > MAX_VALUE) {
    return MAX_VALUE;
  } else if (val < MIN_VALUE) {
    return MIN_VALUE;
  } else {
    return val;
  }
}

// METHOD 2: Using ternary operation
function boundedValue(val) {
  return (val > MAX_VALUE) ? MAX_VALUE : (val < MIN_VALUE) ? MIN_VALUE : val;
}

boundedValue(0); // 1
boundedValue(3); // 3
boundedValue(7); // 5