Answers for "js reverse()"

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
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
2

reverse array javascript

// reverse array with recursion function
function reverseArray (arr){
if (arr.length === 0){
return []
}
  return [arr.pop()].concat(reverseArray(arr))
}
console.log(reverseArray([1, 2, 3, 4, 5]))
Posted by: Guest on July-19-2020
0

js reverse

const array1 = ['one', 'two', 'three'];
console.log('array1:', array1);
//["one", "two", "three"]

const reversed = array1.reverse();
console.log('reversed:', reversed);
//["three", "two", "one"]

// Careful: reverse is destructive -- it changes the original array.
console.log('array1:', array1);
//["three", "two", "one"]
Posted by: Guest on November-21-2020
0

reverse array in javascript

const reverseArray = arr => arr.reduce((acc, val) =>  [val, ...acc], [])
Posted by: Guest on September-19-2020

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