Methods that modify the original array are known as mutator methods, and methods that return a new value or representation are known as accessor methods. There are many useful built-in methods available for JavaScript developers to work with arrays.
Similar to Array, it also provides a constructor that handles the integer arguments, but in a different manner. It does not focus on the type and number of arguments. This rule holds for JavaScript objects in. The of () method creates and returns a new array from different a number of arguments. Since arrays are objects, the array elements are stored by reference. In JavaScript, the array data type consists of a list of elements. JavaScript treats two arrays as equal only when they are the same array: they must occupy the same spot in memory.
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