https://github.com/writetome51/get-reverse-index

Function receives an array index and returns the new index that same item would have if the array's order were reversed
https://github.com/writetome51/get-reverse-index

array index javascript reverse reversed translated typescript

Last synced: 4 months ago
JSON representation

Function receives an array index and returns the new index that same item would have if the array's order were reversed

• Host: GitHub
• URL: https://github.com/writetome51/get-reverse-index
• Owner: writetome51
• License: mit
• Created: 2019-03-22T23:11:15.000Z (about 6 years ago)
• Default Branch: master
• Last Pushed: 2020-08-05T22:48:44.000Z (almost 5 years ago)
• Last Synced: 2024-04-25T07:01:16.204Z (about 1 year ago)
• Topics: array, index, javascript, reverse, reversed, translated, typescript
• Language: JavaScript
• Homepage:
• Size: 14.6 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# getReverseIndex(
      index,
      arrayLength
): number

Receives array `index` and returns the new index that same item would have  

if the array's order were reversed.  

## Examples

```js

let arr = ['a', 'b', 'c', 'd', 'e'];   

let index = arr.indexOf('d');

getReverseIndex(index, arr.length);

   // -->  1

arr = [7, 2, 6, 9, 3, 10];

index = arr.indexOf(2);

getReverseIndex(index, arr.length);

   // -->  4

```

## Installation

`npm i @writetome51/get-reverse-index`

## Loading

``` js

import {getReverseIndex} from '@writetome51/get-reverse-index';

```