In javascript, for-of loop is used to get values of iterable objects. iterable objects can be array, map, strings etc.

Syntax

for (variable of iterable) {
  // set of statements
}

Example

<script>
const number = [ 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];

for (const num of number) {
    document.write(num);
}
</script>

for-of loop Javascript with strings

<script>
let language = "Hello World from Javascript";

let characters = "";
for (let x of characters ) {
  characters =  characters + x;
}
</script>