Lodash _.fromPairs() Method

0 0 1 minute read

The _.fromPairs() method returns an object composed form key-value pairs. This method is the inverse of _.toPairs() method.

Syntax:

_.fromPairs( pairs )

Parameters: This method accepts single parameter as mentioned above and described below:

pairs: This parameter holds the key-value pairs of an array.

Return Value: This method returns a new object.

Example 1:

const _ = require('lodash'); 
  
let pairs = [['x', 1], ['y', 2], ['z', 3]] 
  
let obj = _.fromPairs(pairs); 
  
console.log(obj)

Output:

{ x: 1, y: 2, z: 3 }

Example 2:

const _ = require('lodash'); 
  
let pairs = [['one', 1], ['two', 2], ['three', 3]] 
  
let obj = _.fromPairs(pairs); 
  
console.log(obj)

Output:

{ one: 1, two: 2, three: 3 }

Example 3:

const _ = require('lodash'); 
  
let pairs = [ 
    ['name', 'lodash'],  
    ['live', 'npm'],  
    ['used', 'nodejs'] 
] 
  
let obj = _.fromPairs(pairs); 
  
console.log(obj) 

Output:

{ name: 'lodash', live: 'npm', used: 'nodejs' }

Note: This will not work in normal JavaScript because it requires the library lodash to be installed.

Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, zambiatek Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!