What are the differences between optional and default properties in programming?
An example of an AI chatbot conversation about differences between optional and default properties in programming.
What are the differences between optional and default properties in programming?
Optional properties are those that may or may not be provided, while default properties have a predefined value if not specified.
Can you give me an example of each?
Sure! In TypeScript, an optional property is defined with a '?' like 'name?: string', while a default property can be set like 'age: number = 18'.
Why would I use default properties instead of just optional ones?
Default properties ensure that a variable has a value, which can prevent errors and simplify logic in your code.
Are there any downsides to using default properties?
Yes, using default properties can sometimes lead to unexpected behavior if the default value is not appropriate for all use cases.
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