input-debounce-test.js

new Test('Hello World', 200); // try to change offset


function Test(str, offset) {
  var i = 0;
  var $search = $('.sel-search-input');
  $search.val('').focus();
  (function next() {
    setTimeout(function() {
      if (i >= str.length) return;
      var e = $.Event('input', { keyCode: str.charCodeAt(i) });
      var val = $search.val();
      $search
        .val(val + str[i])
        .trigger(e)
      ;
      i++;
      next();
    }, offset);
  })();
}