How to Detect an “Invalid Date” Date Instance in JavaScript?

How to Detect an “Invalid Date” Date Instance in JavaScript?

3 years ago
Anonymous $BH0TGXkyPe
Last Seen
about an hour ago
Reputation
0
Spam
0.000
Last Seen
about an hour ago
Reputation
0
Spam
0.000
Last Seen
2 hours ago
Reputation
0
Spam
0.000
Last Seen
about an hour ago
Reputation
0
Spam
0.000
Last Seen
54 minutes ago
Reputation
0
Spam
0.000
Last Seen
7 minutes ago
Reputation
0
Spam
0.000
Last Seen
about an hour ago
Reputation
0
Spam
0.000