let contains = false;
const array = ['imprint', 'data-protection', 'terms-of-use'];
const currentUrl = '/imprint'.toUpperCase();
// replace with window.location.href
array.forEach(function (item) {
    let currentItem = item.toUpperCase();
    if (currentUrl.includes(currentItem)) {
        contains = true;
    }
});
console.log(contains);
/ Check if URL contains string from array
                  Created 
                    Wed, 04 Mar 2020 10:06:15 +0000