What are function declarations in JavaScript?

What are function declarations in JavaScript?

Function declarations are a way to define a function in JavaScript using the 'function' keyword followed by the function name.

Can you give me an example of a function declaration?

Sure! Here's a simple example:

function greet() {
    console.log('Hello, world!');
}

How do function declarations differ from function expressions?

Function declarations are hoisted, meaning they can be called before they are defined, while function expressions are not.

Are there any limitations to using function declarations?

One limitation is that function declarations cannot be used in certain contexts, like within a block statement.