Lodash _.toPairsIn() Method

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The _.toPairsIn() method is used to create an array of own and inherited enumerable string key-value pairs for an object which can be consumed by the _.fromPairs() function. If an object is a map or set, its entries are returned.

Syntax:

_.toPairsIn(object)

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

object: This parameter holds the object to query.

Return Value: This method returns the array of key-value pairs.

Example 1:

Javascript

// Requiring the lodash library   
const _ = require("lodash");   
  
function Fb() { 
  this.id = 2045; 
  this.username = 'fb_myself'; 
  this.password = 'fb1234'; 
} 
   
Fb.prototype.email = 'myself@gmail.com'; 
  
// Use of _.toPairsIn() method  
console.log(_.toPairsIn(new Fb));

Output:

[
  [ 'id', 2045 ],
  [ 'username', 'fb_myself' ],
  [ 'password', 'fb1234' ],
  [ 'email', 'myself@gmail.com' ]
]

Example 2:

Javascript

// Requiring the lodash library   
const _ = require("lodash");   
  
function Gfg() { 
  this.x = 1; 
  this.y = 2; 
} 
    
Gfg.prototype.z = 3; 
  
// Use of _.toPairsIn() method  
console.log(_.toPairsIn(new Gfg));

Output:

[ ['x', 1], ['y', 2], ['z', 3] ]

Example 3:

Javascript

// Requiring the lodash library   
const _ = require("lodash");   
  
var GfG = { 
    "Geek": "GFG"
} 
  
// Use of _.toPairsIn() method  
console.log(_.toPairsIn(GfG));

Output:

[ [ 'Geek', 'GFG' ] ]

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