for(let item of a) code example

Example 1: how to use for of in javascript

const array1 = ['a', 'b', 'c'];

for (const element of array1) {
  console.log(element);
}

Example 2: use these instead of a for loop javascript

const array = [1,2,3,4,5];const evenNumbers = array.filter(function(elem) {   // expressions that return 'true' are retained   return elem % 2 == 0;});