Using the reverse method to Reverse an Array

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Outrageous Ostrich answered on September 19, 2020 Popularity 10/10 Helpfulness 3/10

answer Using the reverse method to Reverse an Array

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Using the reverse method to Reverse an Array

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

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Source: softhunt.net

Tags: javascript reverse using

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Contributed on Apr 09 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

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

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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);

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Contributed on Apr 09 2022

Outrageous Ostrich

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how to reverse an array in javascript

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

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Contributed on Jan 21 2021

Cautious Cod

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reverse array

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

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

// Careful: reverse is destructive -- it changes the original array.
console.log('array1:', array1);
// expected output: "array1:" Array ["three", "two", "one"]

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Contributed on May 15 2022

Agustín Tajani

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how to reverse array in javascript

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// 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]

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Contributed on Nov 15 2021

beltman

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reverse array

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#The original array
arr = [11, 22, 33, 44, 55]
print("Array is :",arr)
 
res = arr[::-1] #reversing using list slicing
print("Resultant new reversed array:",res)

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Contributed on Oct 08 2021

Splendid Serval

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how to reverse array in javascript

Comment

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

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

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Source: stackabuse.com

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Contributed on Jun 15 2022

Shubham Rajput

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Reverse Array

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Input:
N = 4, K = 3
arr[] = {5,6,8,9}
Output: 8 6 5 9

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Source: practice.geeksforgeeks.org

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Contributed on Oct 31 2022

Darshan Khatavkar

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how to reverse an array

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        int[] xr = {1, 2, 3, 4, 5};

        System.out.print("[");
        for (int i = xr.length - 1; i >= 0; i--) {
            System.out.print(xr[i] + ", ");
        }
        System.out.println("\b\b]");
    }

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Contributed on May 15 2022

Chathumal Sangeeth

0 Answers Avg Quality 2/10

reverse array in javascript

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

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Contributed on Sep 19 2020

Fine Flamingo

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Using the reverse method to Reverse an Array

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