for em javascript code example

Example 1: for javascipt

for (let i = 0; i < 9; i++) {
  str = str + i;
}

Example 2: loop javascript

for (var i = 0; i < cats.length; i++) {
  if (i === cats.length - 1) {
    info += 'and ' + cats[i] + '.';
  } else {
    info += cats[i] + ', ';
  }
}