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Lodash _.prototype[Symbol.iterator]() Method - GeeksforGeeks

Last Updated : 03 Nov, 2023

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

_.prototype[Symbol.iterator]();

This method doesn't accept any parameter.

This method returns the lodash wrapper object.

Example 1: In this example, we are using the lodash _.prototype[Symbol.iterator]() method.

// Requiring lodash library
const _ = require('lodash');

// Creating wrapped variable
let 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: In this example, we are using the lodash _.prototype[Symbol.iterator]() method.

// Requiring lodash library
const _ = require('lodash');

// Creating wrapped variable
let 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: In this example, we are using the lodash _.prototype[Symbol.iterator]() method.

// 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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