I understand that the basic for...of syntax in JavaScript looks like this: for (let obj of myArray) { // ... } But how do I get the loop counter/index when iterating with this syntax?

If you want to count the number of times a value appears in the array, you firstly need to initialise a variable outside of the loop (if you initialise in the loop, the value will be reset on each …

Aug 3, 2020 · Use modulus operator in your loop with a conditional that checks if the modulus of the number iterated is equal to zero... Count to: 30 Count by: 5 Output: 5, 10, 15, 20, 25, 30

Apr 10, 2025 · The for...in statement iterates over the enumerable string properties of an object, while the for...of statement iterates over values that the iterable object defines to be iterated …

May 23, 2022 · In this guide, you'll learn how to count the number of single element occurrences as well as all element occurrences in a JavaScript array, using `for-of`, `forEach ()`, `for`, …

Nov 23, 2024 · This approach uses forEach () to loop through characters and count their occurrences in an object. It’s a modern and slightly more readable version of the for...of loop.

The JavaScript for of statement loops through the values of an iterable object. It lets you loop over iterable data structures such as Arrays, Strings, Maps, NodeLists, and more:

Nov 26, 2015 · function countUp(start) { // a temporary array to store your numbers var tmpArr = []; for (var i = start; i < start + 10; i++) { // store the count into the array tmpArr.push(i); } // …

The for...of loop is a very handy way to iterate through arrays and other iterable objects in modern JavaScript. But unlike a regular for loop, for...of doesn‘t give you direct access to the loop …

Mar 2, 2024 · To count the occurrences of each element in an array: Declare a variable that stores an empty object. Use the for...of loop to iterate over the array. On each iteration, …