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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