Answers for "reverse an array in js"

33

javascript reverse array

var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);
Posted by: Guest on November-16-2019
1

array reverse algorithm in js

let array1 = ["yes", "no", "maybe", "always", "sometimes", "never", "if"];
let array2 = [5,8,2,9,5,6,3,1];

function reverseArray(arr) {
  var newArray = [];
  for (var i = arr.length - 1; i >= 0; i--) {
    newArray.push(arr[i]);
  }
  return newArray;
}

reverseArray(array1); // ["if", "never", "sometimes", "always", "maybe", "no", "yes"]
reverseArray(array2); // [1, 3, 6, 5, 9, 2, 8, 5]
Posted by: Guest on June-06-2020
7

reverse array javascript

var rev = arr.reverse();
Posted by: Guest on April-01-2020
9

.reverse javascript

const array1 = [1,2,3,4];
console.log('array1:', array1);
//"array1:" Array [1, 2, 3, 4]

const reversed = array1.reverse();
console.log('reversed:', reversed);
//"reversed:" Array [4, 3, 2, 1]

// Careful: reverse is destructive -- it changes the original array.
console.log('array1:', array1);
//"array1:" Array [4, 3, 2, 1]
Posted by: Guest on September-21-2021
1

array reverse in javascript

var arr = [1, 2, 3, 4, 5, 6, 7];
console.log (arr.reverse ());

for (i = 0; i < arr.length / 2; i++) {
  var temp = arr[i];
   temp =arr[arr.length - 1 - i];
  temp = temp;
}
console.log (arr);
Posted by: Guest on April-26-2021
5

reverse array javascript

const list = [1, 2, 3, 4, 5];
list.reverse();
Posted by: Guest on August-28-2020

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