https://www.ostseebad-eckernfoerde.de/files/secra-theme/js/language.js?v=b6497b95

1$(document).ready(function(){
2    let siteLanguage = $('html').attr('lang');
3    switch (siteLanguage) {
4        case 'de':
5            $('#header .grid-middle-noBottom-noGutter a.lang.de').addClass('language-on');
6            $('#header .grid-middle-noBottom-noGutter a.lang.en').addClass('language-off');
7            break;
8        case 'en':
9            $('#header .grid-middle-noBottom-noGutter a.lang.en').addClass('language-on');
10            $('#header .grid-middle-noBottom-noGutter a.lang.de').addClass('language-off');
11            break;
12    }
13    switchLanguageButtonsOnOff();
14});
15
16$(window).resize(function() {
17    switchLanguageButtonsOnOff();
18});
19
20function switchLanguageButtonsOnOff() {
21    let windowWidth = $(window).width();
22    if (windowWidth <= 768) {
23        $('.language-on').css('display','none');
24    } else {
25        $('.language-on').css('display','inline-block');
26    }
27}