JavaScript - Check two integers have opposite signs or not
JavaScript Bit Manipulation: Exercise-1 with Solution
Write a JavaScript program to check two given integers have opposite signs or not.
Test Data:
(100, -100) -> "Signs are opposite"
(100, 100) -> "Signs are not opposite"
(‘100, 100) -> "Parameters value must be number!"
Sample Solution:
JavaScript Code:
const opposite_Signs = (x, y) => {
if ((typeof x!= "number") || (typeof y!= "number"))
{
return 'Parameters value must be number!'
}
if ((x ^ y) < 0)
return true;
else
return false;
}
x = 100
y = -100
result = opposite_Signs(x, y)
if (result === true)
console.log("Signs are opposite");
else if (result === false)
console.log("Signs are not opposite");
else console.log(result);
x = 100
y = 100
result = opposite_Signs(x, y)
if (result === true)
console.log("Signs are opposite");
else if (result === false)
console.log("Signs are not opposite");
else console.log(result);
x = '100'
y = 100
result = opposite_Signs(x, y)
if (result === true)
console.log("Signs are opposite");
else if (result === false)
console.log("Signs are not opposite");
else console.log(result);
Sample Output:
Signs are opposite Signs are not opposite Parameters value must be number!
Flowchart:

Live Demo:
See the Pen javascript-date-exercise-54 by w3resource (@w3resource) on CodePen.
* To run the code mouse over on Result panel and click on 'RERUN' button.*
Improve this sample solution and post your code through Disqus
Previous: JavaScript Bit Manipulation Exercises Home.
Next: Swap two variables using bit manipulation.
What is the difficulty level of this exercise?
Test your Programming skills with w3resource's quiz.
JavaScript: Tips of the Day
Returns the sum of an array, after mapping each element to a value using the provided function
Example:
const tips_sumBy = (arr, fn) => arr.map(typeof fn === 'function' ? fn : val => val[fn]).reduce((acc, val) => acc + val, 0); console.log(tips_sumBy([{ n: 2 }, { n: 4 }, { n: 6 }, { n: 8 }], o => o.n)); console.log(tips_sumBy([{ n: 1 }, { n: 3 }, { n: 5 }, { n: 7 }], 'n'));
Output:
20 16
- Weekly Trends
- Java Basic Programming Exercises
- SQL Subqueries
- Adventureworks Database Exercises
- C# Sharp Basic Exercises
- SQL COUNT() with distinct
- JavaScript String Exercises
- JavaScript HTML Form Validation
- Java Collection Exercises
- SQL COUNT() function
- SQL Inner Join
- JavaScript functions Exercises
- Python Tutorial
- Python Array Exercises
- SQL Cross Join
- C# Sharp Array Exercises