let arr = [1, 2, "test", "bob", false, 33]; /* Regarding the fact that forEach iterates over whole array we do not need length Structure of forEach looks like this array.forEach(function(element) { console.log(element); }); */ arr.forEach(function(el){ /* This code says Go over each item in array and console.log it */ console.log(el); /* Output: 1 2 test bob false 33 */ })