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iterable meaning in javascript

Masud answered on February 4, 2022 Popularity 9/10 Helpfulness 2/10

answer iterable meaning in javascript

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iterable meaning in javascript

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//In JavaScript, an iterable is an object that can be used in a for-of loop. It has a method called Symbol.iterator that returns an iterator, which is an object with a next method that returns the next value in the sequence.

// Here is an example of how to create an iterable:

const iterable = {
  [Symbol.iterator]: function() {
    let i = 0;
    return {
      next: function() {
        return {
          value: i++,
          done: i > 3
        };
      }
    };
  }
};

for (const value of iterable) {
  console.log(value);
} // Output: 0, 1, 2


// Arrays, strings, and maps are all iterable in JavaScript. You can use the for-of loop or the forEach method to loop over the elements of these objects.

Popularity 9/10 Helpfulness 2/10 Language javascript

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Contributed on Jan 01 2023

Masud

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//Iterable objects are objects that can be iterated over with for loops

//Technically, iterables must implement the Symbol.iterator method.

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: iterable iterabl

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Contributed on Feb 04 2022

Drunken Lizard

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iterable meaning in javascript

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