What are some examples of nullish coalescing in TypeScript?
An example of an AI chatbot conversation about TypeScript's nullish coalescing operator.
Can you explain the nullish coalescing operator in TypeScript?
Sure! The nullish coalescing operator (??) returns the right-hand operand when the left-hand operand is null or undefined.
Can you give me some examples of how to use it?
Absolutely! For instance, you can use it like this: const value = userInput ?? 'default'; This assigns 'default' if userInput is null or undefined.
What about using it with functions?
You can use it to provide default values in function parameters, like this: function greet(name) { const userName = name ?? 'Guest'; return Hello, ${userName}!; }.
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