Better - on Paste, keyup, input, submit

pastekeyupsubmit.js

jQuery(function($) {
  var $input = $('#get_url');
  $input.data('curr_val', $input.val()); //sets initial value

  var count = 0;
  setInterval(function() {
    if ($input.data('curr_val') == $input.val()) //if it still has same value
      return false; //returns false
    $input.data('curr_val', $input.val()); //if val is !=, updates it and 
    //do your stuff
    oembed();

  }, 100); //100 = interval in miliseconds

  /*********/
  $('#show-embed').on("submit", function() {
    oembed();
    return false;
  });

  /******************************/
  function oembed() {

    if ($('#get_url').val()) {

      $("#result").html('');
      $('#code-loading').show();

      $.getJSON("http://example.com/api.php?url=" + $("#get_url").val(), function(data, status, xhr) {

        if (status == "success") {
          $("#result").html(data.html);
          $('#code-loading').hide();

          $("iframe.wp-oembed-all-content").load(function() {
            $(this).height($(this).contents().find("html").height());
          });

        }


      });

    }

  }


}); // jquery function