JavaScript: Validate whether a given value type is error or not
JavaScript validation: Exercise-2 with Solution
Write a JavaScript function to validate whether a given value type is an error or not.
Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>JavaScript function to validate whether a given value type is error or not</title>
</head>
<body>
</body>
</html>
JavaScript Code:
function is_Error(input) {
return input instanceof Error || toString.call(input) === '[object Error]';
}
console.log(is_Error(new Error('foo')));
console.log(is_Error(100));
console.log(is_Error('foo'));
Sample Output:
true false false
Flowchart:
Live Demo:
See the Pen javascript-validation-exercise-2 by w3resource (@w3resource) on CodePen.
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