let searchInput = document.getElementById('booksearch');
let timeout = null;
// Listen for keystroke events
searchInput.addEventListener('keyup', function (e) {
    // Clear the timeout if it has already been set.
    clearTimeout(timeout);
    // Make a new timeout set to go off in 1000ms (1 second)
    timeout = setTimeout(function () {
				if (searchInput.value.length > 2) {
					searchTags(searchInput.value);
				} else {
					clearSearchTags();
				}
    }, 1000);
});

function searchTags(searchInput) {
   console.log(searchInput);
}

function clearSearchTags() {
  console.log("stop search");
}