CODE EXAMPLE FOR JAVASCRIPT

javascript remove element from array in foreach

var pre = document.getElementById('out');

function log(result) {
  pre.appendChild(document.createTextNode(result + '
'));
}

var review = ['a', 'b', 'c', 'b', 'a'];

review.forEach(function(item, index, object) {
  if (item === 'a') {
    object.splice(index, 1);
  }
});

log(review);