The array.reduceRight() is an inbuilt function in JavaScript which is used to convert elements of the given array from right to left to a single value.
Syntax:
array.reduceRight(previousValue, currentValue)
Parameters: It accepts two parameters previousValue and currentValue which represents the previous and current element of the given input array.
Return Values: It returns the result after reduction to a single value.
Code #1:
<script> // Taking some array as the element of an array "A" const A = [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8 ] ]; // Calling array.reduceRight() function a = A.reduceRight((previousValue, currentValue) => previousValue.concat(currentValue)); // printing result document.write(a); </script> |
Output:
7, 8, 4, 5, 6, 1, 2, 3
Code #2:
<script> // Taking some array as the element of an array "A" const A = [ [ 1, 2, 3 ], [ "a", "b", "c" ], [ 7, 8 ] ]; // Calling array.reduceRight() function a = A.reduceRight((previousValue, currentValue) => previousValue.concat(currentValue)); // printing result document.write(a); </script> |
Output:
7, 8, a, b, c, 1, 2, 3
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