How to use reverse in js

Usage of reverse in JS: The reverse() method reverses the order of elements in the array and modifies the original array. Usage: Create an array, call arr.reverse() to reverse the array, and print the reversed array. Note: reverse() will modify the original array and can reverse strings, numbers and object arrays in different ways.

Usage of reverse in JS

What is reverse

The reverse() method is used to reverse the order of elements in the array and modify the original array.

Syntax

<code class="js">array.reverse()</code>

Parameters

None.

Return value

Returns the reversed array.

Usage

The following is how to use the reverse() method:

<code class="js">// 创建一个数组
const arr = [1, 2, 3, 4, 5];

// 使用 reverse() 反转数组
const reversedArr = arr.reverse();

// 打印反转后的数组
console.log(reversedArr); // [5, 4, 3, 2, 1]</code>

Notes

• reverse() method will directly modify the original array and will not create a new array.
• reverse() method can also be used to reverse a string.
• In numeric arrays, negative numbers will be compared according to their absolute values.
• In object arrays, objects are compared according to their references, not according to their contents.

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