Setting the value of a link’s target attribute to _blank will make the link open in a new tab or window. Ideally, you shouldn’t be doing this (and here’s why). But if you are, there are a couple of security and performance issues to be aware of.
As explained in the MDN Web Docs, a callback function is a function passed into another function as an argument, which is then invoked inside the outer function to complete some kind of routine or action. I’d like to share a nice little trick you can do when passing in a named function.