What are default values in JavaScript?
An example of an AI chatbot conversation about default values in JavaScript.
What are default values in JavaScript?
Default values in JavaScript allow you to set a default value for function parameters if no value or undefined is passed.
Can you give me an example of how to use default values?
Sure! Here's an example: function greet(name = 'Guest') { return 'Hello, ' + name; } If you call greet(), it returns 'Hello, Guest'.
What happens if I pass undefined as an argument?
If you pass undefined, the default value will be used. For example, greet(undefined) will still return 'Hello, Guest'.
Are there any limitations to using default values?
Yes, default values can only be set for function parameters, and they cannot be used for variables outside of functions.
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