How to Check for a Null or Empty String in JavaScript

Use: https://www.freecodecamp.org/news/javascript-check-empty-string-checking-null-or-empty-in-js/

let myStr = null;

if (myStr === null || myStr.trim() === "") {
  console.log("This is an empty string!");
} else {
  console.log("This is not an empty string!");
}

This will return:

"This is an empty string!"