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how to reverse array without using the .reverse() method in JavaScript

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Matthew “matwal” Walton answered on November 16, 2019 Popularity 1/10 Helpfulness 1/10

answer how to reverse array without using the .reverse() method in JavaScript

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how to reverse array without using the .reverse() method in JavaScript

Comment

// function to reverseArray 
function reverseArray(arr) {
  let reversedArray = [];
  for (let i = arr.length - 1; i >= 0; i--) {
    reversedArray.push(arr[i]);
  }
  return reversedArray;
}
// sentence array
const sentence = ['sense.','make', 'all', 'will', 'This'];

console.log(reverseArray(sentence)) 
// Should print ['This', 'will', 'all', 'make', 'sense.'];

Popularity 1/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript reverse using

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Contributed on Dec 03 2024

Matthew “matwal” Walton

0 Answers Avg Quality 2/10

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Without using a new array or the reverse() method to Reverse an Array

Comment

var arr = [1, 2, 3, 4];
for (let i = 0; i < Math.floor(arr.length / 2); i++) {
    [arr[i], arr[arr.length - 1 - i]] = [arr[arr.length - 1 - i], arr[i]];
}
console.log(arr);

Popularity 9/10 Helpfulness 6/10 Language javascript

Source: softhunt.net

Tags: javascript j

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Contributed on Apr 09 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

javascript reverse array

Comments(1)

var arr = [34, 234, 567, 4];
print(arr);
var new_arr = arr.reverse();
print(new_arr);

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 16 2019

Black Footed Ferret

0 Answers Avg Quality 2/10

how to reverse an array in javascript

Comment

array = [1 2, 3]
reversed = array.reverse()

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 21 2021

Cautious Cod

0 Answers Avg Quality 2/10

array reverse in javascript

Comment

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);

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Apr 26 2021

0 Answers Avg Quality 2/10

javascript reverse array

Comment

const array1 = ['one', 'two', 'three'];
// expected output: "array1:" Array ["one", "two", "three"]

const reversed = array1.reverse();
// expected output: "reversed:" Array ["three", "two", "one"]

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Source: developer.mozilla.org

Tags: javascript j

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Contributed on Jun 20 2022

liad

0 Answers Avg Quality 2/10

Using the reverse method to Reverse an Array

Comment

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

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: softhunt.net

Tags: javascript j

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Contributed on Apr 09 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

how to reverse array in javascript

Comment

// reversing an array in javascript is kinda hard. you can't index -1.
// but i can show how you can do it in 4 lines.

var myArray = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];

for (var i = myArray.length - 1; i > 0; i -= 1) {
	myArray.shift();
	myArray.push(i);
}

console.log(myArray); // output: [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Nov 15 2021

beltman

0 Answers Avg Quality 2/10

how to reverse array in javascript

Comment

numArr.reverse();
strArr.reverse();

console.log(numArr);
console.log(strArr);

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackabuse.com

Tags: javascript j

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Contributed on Jun 15 2022

Shubham Rajput

0 Answers Avg Quality 2/10

javascript reverse array

Comment

var a = [3,5,7,8];
a.reverse(); // 8 7 5 3

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Sep 01 2022

KenneS

0 Answers Avg Quality 2/10

reverse array in javascript

Comment

const reverseArray = arr => arr.reduce((acc, val) =>  [val, ...acc], [])

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Sep 19 2020

Fine Flamingo

0 Answers Avg Quality 2/10

how to reverse array without using the .reverse() method in JavaScript

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