what is an iterator in javascript

Solutions on MaxInterview for what is an iterator in javascript by the best coders in the world

showing results for - "what is an iterator in javascript"

1//Iterators
2function fruitsIterator(array) {
3  let nextIndex = 0;
4  //fruitsIterator will return an object
5  return {
6    next: function () {
7      if (nextIndex < array.length) {
8        //next function will return the below object
9        return {
10          value: array[nextIndex++],
11          done: false,
12        };
13      } else {
14        return { done: true };
15      }
16    },
17  };
18}
19let myArr = ["apple", "banana", "orange", "grapes"];
20console.log("My array is", myArr);
21
22//using the iterator 
23const fruits=fruitsIterator(myArr);
24console.log(fruits.next()); //apple
25console.log(fruits.next());//banana
26console.log(fruits.next());//grapes 
27

1The iterator is an object that returns values via its method next()

similar questions

javascript iterator callback js iterate object iterate with javascript for loops for array javascript javascript array iteration methods traverse an array in javascript javascript iterate object javascript enumerate what is the modern syntax for iterating through array using for loop in javascript javascript pass iterator to callback loop trough javascript array associative js async iterator iterating through document elements using for each in javascript all 28iterable 29 iterate object js javascript iterate array

queries leading to this page

for iterators javascript javascript iterator function js itterator javascript function iterator iterator in js what is an iterable in javascript what is a iterator in javascript iterator function js examples of iterator in javascript iterator example in javascript what is iterator in javascripot why is iterator javasceript using iterators js simple js iterator how to use iterator function with iterator js js object iterrator iterator example javascript iterator function javascript es6 what is iterator in js what is the iterator section example in javascript what the meaning of iterator in js javascript is while an iterator method for loop iterator js iter next 28 29 value js itera c3 a7 c3 b5es javascript iterators javascript iterator javscript js iteratator make an iterator javascript iterators and iterables in javascript javascript create iterator js create iterator javascript iterrators iterators js what is iterator in javascrpit iterator next javascript syntax of iterator in js using iterator javascript iterar javascript use of iterator in javascript javascript es6 iterator methods iterator functo javascript javascript i iterator what are iterators in javascript what is iterator javascript what does an iterator function do in javascript javscript loop iterator how to iterate over iterator in js 40 40iterator in js js for loop iterator iterator methods in javascript understanding iterators in javascript javascript what is an iterator what is an iterator javascript example of an iterator in javascript create iterator javascript javascript iterator contains iterator and iterable js examples of iterators in javascript iterator java script what is iterators in js what is an iterator in javascript best use of iterator in javascript iterator js iterable js write an iterator function in javascript iterators in javascript what is iterator in javascript interators javascript javascript iterator object js iterators iterators in js iterate through iterator javasciprt iterable iterator javascript iterator loops js what are iterators in js what is an iterable js javascript iterator example what is iterator value js iterator in javascript w3schools iterabla and iterator javascript iterator object javascript iterator in javscript js iterator what is iterator in node what is iterable in js js for iterator iterator in j iterate iterator js what are different iterators in javascript iterators in javscript js iterator javascript use iterator for iterator javascript what is iterator object in javascript function iterator javascript in itera javascript built in iterator javascript iterators javascript iterator methods iterator function in js iterator and iterable in js metod iterator javascript iterator method js javascript iterator how to iterate with iterator in js iterator javascript what is the purpose of iterators in javascript iterator function javascript what is the iterator javascript define iterator in iterable js iterator and iterable javascript create iterator in a function javascript how to use iterator in javascript when to use iterator in js object iterators javascript iterator functions js iterator done js what is iterable create iterator javascript in a function javascript iterator object definition iterators javascript definition what is an iterator in javascripnt js define of iterator some iterator method javascript how do we make iterator in javascript what is javascript iterator what 27s the point of set iterator javascript js iterator for loop iterators methods js javascript iterators program how can i use iterator in javascript 3f what are iteratos in js iterators in javascript es6 iterator in javascript object iterator in javascript create an iterator javascript what is an iterator in javascript