Javascript passing an array as a function parameter

in javascript, passing an array as a function parameter allows developers to easily manipulate and interact with collections of data. when an array is passed to a function, it is passed by reference, meaning the function receives a reference to the original array rather than a copy. this enables modifications within the function to directly affect the original array outside the function. functions can perform various operations on the array, such as iterating over its elements, filtering, mapping, or reducing its contents. additionally, javascript supports the spread operator, which allows for flexible handling of arrays, enabling the passing of individual elements or creating new arrays based on existing ones. this capability enhances code modularity and reusability, making it easier to manage complex data structures. overall, passing arrays as function parameters is a fundamental aspect of javascript that facilitates efficient data manipulation and enhances the functionality of programs.
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