JavaScript: Check whether an input is a date object or not
JavaScript Datetime: Exercise-1 with Solution
Write a JavaScript function to check whether an 'input' is a date object or not.
Test Data:
console.log(is_date("October 13, 2014 11:13:00"));
console.log(is_date(new Date(86400000)));
console.log(is_date(new Date(99,5,24,11,33,30,0)));
console.log(is_date([1, 2, 4, 0]));
Output :
false
true
true
false
Sample Solution:-
HTML Code:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Checking a date object</title>
</head>
<body>
</body>
</html>
JavaScript Code:
var is_date = function(input) {
if ( Object.prototype.toString.call(input) === "[object Date]" )
return true;
return false;
};
console.log(is_date("October 13, 2014 11:13:00"));
console.log(is_date(new Date(86400000)));
console.log(is_date(new Date(99,5,24,11,33,30,0)));
console.log(is_date([1, 2, 4, 0]));
Sample Output:
false true true false
Flowchart:

Live Demo:
See the Pen JavaScript - common-editor-exercises-date-ex- 1 by w3resource (@w3resource) on CodePen.
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Next: Write a JavaScript function to get the current date.
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