JavaScript: Return values that are powers of two

Last update on April 22 2023 12:21:56 (UTC/GMT +8 hours)

JavaScript Math: Exercise-36 with Solution

Write a JavaScript function to return powers of two values.

Test Data :
console.log(isPower_of_two(64));
true
console.log(isPower_of_two(94));
false

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JavaScript function which will return values that are powers of two</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function isPower_of_two(num)
  {
     return num && (num & (num - 1)) === 0;
}

console.log(isPower_of_two(64));  
console.log(isPower_of_two(94));

Sample Output:

true
false

Pictorial Presentation:

$JavaScript: Math - Return values that are powers of two.$

Flowchart: $Flowchart: JavaScript Math: Return values that are powers of two$

Live Demo:

See the Pen javascript-math-exercise-36 by w3resource (@w3resource) on CodePen.

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