JavaScript: Check three given numbers, if the three numbers are same return 30 otherwise return 20 and if two numbers are same return 40

JavaScript Basic: Exercise-41 with Solution

Write a JavaScript program to check a set of three numbers; if the three numbers are the same return 30; otherwise return 20; and if two numbers are the same return 40.

This JavaScript program checks a set of three numbers. If all three numbers are the same, it returns 30. If two numbers are the same, it returns 40. Otherwise, it returns 20.

Visual Presentation:

Sample Solution:

JavaScript Code:

// Define a function named three_numbers using function declaration with parameters x, y, and z
function three_numbers(x, y, z) {
  // Check if x, y, and z are equal
  if (x == y && y == z) {
    return 30;
  }

  // Check if at least two of x, y, and z are equal
  if (x == y || y == z || z == x) {
    return 40;
  }

  // Return 20 if none of the conditions are met
  return 20;
}

// Log the result of calling three_numbers with the arguments 8, 8, and 8 to the console
console.log(three_numbers(8, 8, 8));

// Log the result of calling three_numbers with the arguments 8, 8, and 18 to the console
console.log(three_numbers(8, 8, 18));

// Log the result of calling three_numbers with the arguments 8, 7, and 18 to the console
console.log(three_numbers(8, 7, 18)); 

Output:

30
40
20

Live Demo:

See the Pen JavaScript: Check three given numbers - basic-ex-41 by w3resource (@w3resource) on CodePen.

Flowchart:

ES6 Version:

// Define a function named three_numbers using arrow function syntax with parameters x, y, and z
const three_numbers = (x, y, z) => {
  // Check if x, y, and z are equal
  if (x == y && y == z) {
    return 30;
  }

  // Check if at least two of x, y, and z are equal
  if (x == y || y == z || z == x) {
    return 40;
  }

  // Return 20 if none of the conditions are met
  return 20;
};

// Log the result of calling three_numbers with the arguments 8, 8, and 8 to the console
console.log(three_numbers(8, 8, 8));

// Log the result of calling three_numbers with the arguments 8, 8, and 18 to the console
console.log(three_numbers(8, 8, 18));

// Log the result of calling three_numbers with the arguments 8, 7, and 18 to the console
console.log(three_numbers(8, 7, 18));

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