Edit in JSFiddle

var arr = [1, 9, 3, 8, 6, 1, 5, 9, 4, 7, 3, 8, 6, 9, 1];
$("div").text(arr.join(", "));

arr = jQuery.grep(arr, function (n, i) {
    return (n != 5 && i > 4);
});
$("p").text(arr.join(", "));

arr = jQuery.grep(arr, function (a) {
    return a != 9;
});
$("span").text(arr.join(", "));
<title>jQuery.grep demo</title>
<body>
    <div></div>
    <p></p> <span></span>
</body>
  div {
      color:blue;
  }
  p {
      color:green;
      margin:0;
  }
  span {
      color:red;
  }