- Lodash Tutorial
- Lodash - Home
- Lodash - Overview
- Lodash - Environment Setup
- Lodash - Array
- Lodash - Collection
- Lodash - Date
- Lodash - Function
- Lodash - Lang
- Lodash - Math
- Lodash - Number
- Lodash - Object
- Lodash - Seq
- Lodash - String
- Lodash - Util
- Lodash - Properties
- Lodash - Methods
- Lodash Useful Resources
- Lodash - Quick Guide
- Lodash - Useful Resources
- Lodash - Discussion
Lodash - lastIndexOf method
Syntax
_.lastIndexOf(array, value, [fromIndex=array.length-1])
This method is like _.indexOf except that it iterates over elements of array from right to left.
Arguments
array (Array) − The array to inspect.
value (*) − The value to search for.
[fromIndex=array.length-1] (number) − The index to search from.
Output
(number) − Returns the index of the matched value, else -1.
Example
var _ = require('lodash'); var list = [1, 2, 3, 2, 5, 6, 2]; var result = _.lastIndexOf(list,2) console.log(result); var result = _.lastIndexOf(list,2,3) console.log(result);
Save the above program in tester.js. Run the following command to execute this program.
Command
\>node tester.js
Output
6 3
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