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lodash.identity

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    lodash.identity

The Lo-Dash function `_.identity` as a Node.js module generated by lodash-cli.


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418K
increased by3.8%
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Package description

What is lodash.identity?

The lodash.identity package is a utility function that returns the first argument it receives. It is often used as a default iteratee or callback function in various lodash methods.

What are lodash.identity's main functionalities?

Basic Usage

The basic usage of lodash.identity is to return the first argument it receives. In this example, it simply returns the number 5.

const identity = require('lodash.identity');
console.log(identity(5)); // Output: 5

Using with Array Methods

Lodash.identity can be used as a callback function in array methods like map. In this example, it returns each element of the array as is.

const identity = require('lodash.identity');
const arr = [1, 2, 3, 4];
const result = arr.map(identity);
console.log(result); // Output: [1, 2, 3, 4]

Using with Lodash Methods

Lodash.identity can be used with other lodash methods like filter. In this example, it returns all elements of the array that are truthy.

const _ = require('lodash');
const identity = require('lodash.identity');
const arr = [1, 2, 3, 4];
const result = _.filter(arr, identity);
console.log(result); // Output: [1, 2, 3, 4]

Other packages similar to lodash.identity

Readme

Source

lodash.identity v2.2.1

The Lo-Dash function _.identity as a Node.js module generated by lodash-cli.

Author

twitter/jdalton
John-David Dalton

Contributors

twitter/blainebublitztwitter/kitcambridgetwitter/mathias
Blaine BublitzKit CambridgeMathias Bynens

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Last updated on 03 Oct 2013

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