what does it mean to iterate over an array w3schools code example

Example 1: loop an array in javascript

let array = ["loop", "this", "array"]; // input array variable
for (let i = 0; i < array.length; i++) { // iteration over input
	console.log(array[i]); // logs the elements from the current input
}

Example 2: javascript loop and array

var array = ["hello","world"];
array.forEach(item=>{
	console.log(item);
});