JavaScript: Find the highest value in an array

Last update on August 19 2022 21:50:49 (UTC/GMT +8 hours)

JavaScript Math: Exercise-6 with Solution

Write a JavaScript function to find the highest value in an array.

Test Data :
console.log(max([12,34,56,1]));
console.log(max([-12,-34,0,-56,-1]));
56
0

Pictorial Presentation:

$JavaScript: Math - Find the highest value in an array.$

Sample Solution:-

HTML Code:

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Find the highest value in an array</title>
</head>
<body>

</body>
</html>

JavaScript Code:

function max(input) {
     if (toString.call(input) !== "[object Array]")  
       return false;
  return Math.max.apply(null, input);
	}

console.log(max([12,34,56,1]));
console.log(max([-12,-34,0,-56,-1]));

Sample Output:

56
0

Flowchart:

$Flowchart: JavaScript Math- Find the highest value in an array$

Live Demo:

See the Pen javascript-math-exercise-6 by w3resource (@w3resource) on CodePen.

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