Suffix Exclamation Mark after Variableadding this operator causes the compiler to ignore undefined or null typeswe should be extremely careful when using it, as it can lead to unexpected behavior if the value is actually undefined Exclamation Mark In TypeScriptIf you are using TypeScript, you might have noticed an Exclamation Mark (!) operator that does some kind of magic and makes your compiler ignore possible errors. Let's learn what the purpose of this operator is and how it can be a useful addition to our projects.https://vhudyma-blog.eu/exclamation-mark-operator-in-typescript/