Is it not possible to output an array in a function in Javascript?

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It is possible to output an array from a function in Javascript. A function can return a value which can be an array. Here's an example:

function getArray() {
  var arr = [1, 2, 3, 4, 5];
  return arr;
}

var myArray = getArray();
console.log(myArray); // Output: [1, 2, 3, 4, 5]

In this example, the function getArray() returns an array [1, 2, 3, 4, 5]. The returned array is stored in a variable myArray, which can be used later. The console.log() statement prints the array to the console.