When should I use default parameters instead of optional parameters?
An example of an AI chatbot conversation about when to use default vs optional parameters in programming.
When should I use default parameters instead of optional parameters?
Default parameters are used when you want to provide a standard value for a function argument, while optional parameters allow the caller to omit arguments. Use default parameters for common values and optional parameters for flexibility.
Can you give me an example of each?
Sure! For default parameters: function greet(name = 'Guest') { return 'Hello ' + name; }. For optional parameters: function add(a, b?) { return a + (b || 0); }.
What are the advantages of using default parameters?
Default parameters simplify function calls and improve code readability by reducing the need for overloads.
Are there any downsides to using them?
One downside is that they can lead to unexpected behavior if not used carefully, especially with complex data types.
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