Function handleUpdate

_book/gitbook/gitbook-plugin-search/search.js:114–123

()

        // Launch query based on input content
        function handleUpdate() {
            var q = $searchInput.val();

            if (q.length == 0) {
                closeSearch();
            }
            else {
                launchSearch(q);
            }
        }

        // Detect true content change in search input
        // Workaround for IE < 9