JavaScript Code

for…of loop

In JavaScript, for...of loop statement is used to execute a block of code for each item in an iterable.

Syntax

for (item of iterable) {
  //code
}

• for is keyword.
• item is variable to hold the current item of the iterable during iteration.
• iterable is any valid iterable object like array, string, etc.
• code is any valid JavaScript code.

for...of loop iterates over the items of the iterable, and executes the block of code for each item.

Examples

1. for...of loop to iterate over the items of an array numbers.

const numbers = [4, 10, 5, 8, 64];
for (let num of numbers) {
    console.log(num);
}

2. for...of loop to iterate over the characters of a string myStr.

const myStr = 'hello';
for (let ch of myStr) {
    console.log(ch);
}