 # 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: Sample Solution:

HTML Code:

``````<!DOCTYPE html>
<html>
<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>
<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: 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
```