import $ from 'jquery' var networkSearchInput = $('.network-selector-search-input'), networkSearchInputVal = '' $(networkSearchInput).on('input', function () { networkSearchInputVal = $(this).val() $.expr[':'].Contains = $.expr.createPseudo(function (arg) { return function (elem) { return $(elem).text().toUpperCase().indexOf(arg.toUpperCase()) >= 0 } }) if (networkSearchInputVal == '') { $('.network-selector-item').show() } else { $('.network-selector-item').hide() $(".network-selector-item:Contains('" + networkSearchInputVal + "')").show() } })