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JavaScript: Check two given integers, whether one is positive and another one is negative

JavaScript Basic: Exercise-20 with Solution

Write a JavaScript program to check from two given integers, whether one is positive and another one is negative.

Pictorial Presentation:

JavaScript: Check two given integers, one is positive and one is negative

Sample Solution:

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JavaScript program to  check from two given integers, whether one is positive and another one is negative.</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function positive_negative(x, y)
{
  if ((x < 0 && y > 0) || x > 0 && y < 0) 
  {
    return true;
  }
  else 
  {
    return false;
  }
}
console.log(positive_negative(2, 2));
console.log(positive_negative(-2, 2));
console.log(positive_negative(2, -2));
console.log(positive_negative(-2, -2));

Sample Output:

false
true
true
false

Flowchart:

Flowchart: JavaScript - Check two given integers, whether one is positive and another one is negative

ES6 Version:

function positive_negative(x, y)
{
  if ((x < 0 && y > 0) || x > 0 && y < 0) 
  {
    return true;
  }
  else 
  {
    return false;
  }
}
console.log(positive_negative(2, 2));
console.log(positive_negative(-2, 2));
console.log(positive_negative(2, -2));
console.log(positive_negative(-2, -2));

Live Demo:

See the Pen JavaScript: positive negative number: basic-ex-20 by w3resource (@w3resource) on CodePen.


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JavaScript: Tips of the Day

Returns the sum of the powers of all the numbers from start to end (both inclusive)

Example:

const sumPower = (end, power = 2, start = 1) =>
  Array(end + 1 - start)
    .fill(0)
    .map((x, i) => (i + start) ** power)
    .reduce((a, b) => a + b, 0);
console.log(sumPower(10)); // 385
console.log(sumPower(10, 3)); // 3025
console.log(sumPower(10, 3, 5)); // 2925

Output:

385
3025
2925