Coffee Script Tutorials #6 - The Existensial Operator in Coffee Script

hey what's up this is Scott with level of Tut's and today I'll be doing a quick overview of the existential operator so what this is is it basically checks to make sure a variable isn't null or undefined which can come in super handy and the best part is it's one character it's just a question mark okay okay so let's first let's check to see if something exists so we want to say let's try name if name has been said you know exists right so we can ju...