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Lodash _.prototype[Symbol.iterator]() Method
  • Last Updated : 18 Sep, 2020

Lodash is a JavaScript library that works on the top of underscore.js. Lodash helps in working with arrays, strings, objects, numbers, etc.

The _.prototype[Symbol.iterator]() method of Sequence in lodash is used to permit the wrapper to be iterable.

Syntax:

_.prototype[Symbol.iterator]()

Parameters: This method doesn’t accept any parameter.

Return Value: This method returns the lodash wrapper object.



Example 1:

Javascript




// Requiring lodash library
const _ = require('lodash');
  
// Creating wrapped variable
var wrapr = _([8, 9]);
   
// Calling [Symbol.iterator]() method
wrapr[Symbol.iterator]() === wrapr;
  
let obj = Array.from(wrapr);
  
// Displays output
console.log(obj);

Output:

[ 8, 9 ]

Example 2:

Javascript




// Requiring lodash library
const _ = require('lodash');
  
// Creating wrapped variable
var wrapr = _(['Geeks', 'for', 'Geeks']);
   
// Calling [Symbol.iterator]() method
wrapr[Symbol.iterator]() === wrapr;
  
let obj = Array.from(wrapr);
  
// Displays output
console.log(obj);

Output:

[ 'Geeks', 'for', 'Geeks' ]

Example 3:

Javascript




// Requiring lodash library
const _ = require('lodash');
  
// Calling [Symbol.iterator]() method and
// comparing it with wrapped value
_("Geeks")[Symbol.iterator]() === _("Geeks");
  
// Wrapper object
let obj = Array.from(_("Geeks"));
  
// Displays output
console.log(obj[0]);
console.log(obj[1]);
console.log(obj[2]);
console.log(obj[3]);

Output:

G
e
e
k

Reference: https://lodash.com/docs/4.17.15#prototype-Symbol-iterator

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