Need help with new Date and checking for invalid date

JavaScript
1

I want to check if this is an invalid date. So when there is one, I can convert the unix into an integer. How can I do this? As far as I know new Date returns me an string when unix is passed but not the message “Invalid Date”

 let date = new Date(date_str)
  
  console.log("DATE: ", date_str, typeof date_str)
  
  if (date === "Invalid Date") {
    console.log("this is an invalid date")
  }

Challenge: Timestamp Microservice

Link to the challenge:

2

In your if statement, you’re comparing a date object with a string. Since you’re using strict equality, it will always return false.

4

Thank you, your answers helped me complete the timestamp project!!