What is the difference between default parameters and required parameters in programming?
An example of an AI chatbot conversation about default vs required parameters in programming.
What is the difference between default parameters and required parameters in programming?
Default parameters are optional values that a function can use if no argument is provided, while required parameters must be supplied.
Can you give me an example of each?
Sure! A required parameter example: function add(a, b) { return a + b; } requires both a and b. A default parameter example: function greet(name = 'Guest') { return 'Hello, ' + name; } uses 'Guest' if no name is provided.
What happens if I don't provide a required parameter?
If you don't provide a required parameter, the function will throw an error, indicating that the argument is missing.
Are there any programming languages that don't support default parameters?
Yes, some older languages like C do not support default parameters, while most modern languages like Python and JavaScript do.
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