What are some examples of default parameters in programming?

What are some examples of default parameters in programming?

Default parameters are values that are automatically assigned to function parameters if no argument is provided. For example, in Python, you can define a function like this: def greet(name='Guest'):. If you call greet(), it will use 'Guest' as the default name.

Can you give me another example in JavaScript?

Sure! In JavaScript, you can define a function with default parameters like this: function multiply(a, b=1) { return a * b; }. If you call multiply(5), it will return 5 because b defaults to 1.

What happens if I provide a value for the default parameter?

If you provide a value for the default parameter, that value will be used instead of the default. For example, multiply(5, 2) will return 10, using 2 instead of the default value of 1.

Are there any limitations to using default parameters?

Yes, one limitation is that default parameters must be defined at the end of the parameter list in some languages, like Python. This can restrict how you structure your functions.