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how to rotate an array in javascript

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Smiling Skunk answered on July 4, 2021 Popularity 10/10 Helpfulness 4/10

answer how to rotate an array in javascript

related How to rotate a matrix in an array in javascript

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how to rotate an array in javascript

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function arrayRotate(arr, reverse) {
  if (reverse) arr.unshift(arr.pop());
  else arr.push(arr.shift());
  return arr;
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript

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Contributed on Jul 04 2021

Smiling Skunk

0 Answers Avg Quality 2/10

Closely Related Answers

How to rotate a matrix in an array in javascript

Comment

function rotate(matrix) {
  return matrix[0].map((col, i) => matrix.map((row) => row[i]))
}

function rotateAntiClockwise(matrix) {
  return matrix[0].map((col, i) => matrix.map((row) => row[i]).reverse())
}

Popularity 8/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Aug 13 2022

code fighter

0 Answers Avg Quality 2/10

rotate array

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public static int[] Rotate(int[] arr , int k)
{
    k %= arr.Length;

    var ls = new int[arr.Length];

    for (int i = 0; i < ls.Length-k; i++)
    {
        ls[i+k] = arr[i];
    }
    var j = ls.Length-k;
    for (int i = 0; i < k; i++)
    {
        ls[i] = arr[j++];
    }

    return ls;
}

Popularity 10/10 Helpfulness 3/10 Language csharp

Source: Grepper

Tags: c# c

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Contributed on Oct 11 2022

PrashantUnity

0 Answers Avg Quality 2/10

rotate array example

Comment

Input: nums = [1,2,3,4,5,6,7], k = 3
Output: [5,6,7,1,2,3,4]
Explanation:
rotate 1 steps to the right: [7,1,2,3,4,5,6]
rotate 2 steps to the right: [6,7,1,2,3,4,5]
rotate 3 steps to the right: [5,6,7,1,2,3,4]

Popularity 8/10 Helpfulness 1/10 Language whatever

Source: leetcode.com

Tags: whatever whateve

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Contributed on Sep 14 2023

Karan Goyal

0 Answers Avg Quality 2/10

how to rotate an array in javascript

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