In JavaScript, a function is a block of reusable code designed to perform a particular task. Functions provide a way to package code into reusable modules, making code more organized, easier to understand, and promoting code reusability. There are several ways to declare functions in modern JavaScript. Here are some examples: Function Declaration: In this example, greet is the name of the function, and name is a parameter. This function can be called later by using greet("John"), for example. Function Expression: In this example, greet is a variable that holds an anonymous function. This function can also be called with greet("John"). Arrow Function: This is a more concise way to define functions introduced in ES6. It behaves similarly to function expressions but has a shorter syntax. Method Definition in an Object: In this example, greet is a method of the person object. Function Constructor (not recom...
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