$(document).ready(function() {
    const reviewsBlockId = "#reviews-block";
    const isPageHaveReviewsBlock = $(reviewsBlockId).length > 0;
    const reviewsLink = $(`a[href="/otzyvy/"]`);
    const reviewsBlockPosition = $(reviewsBlockId).eq(0).offset().top;

    reviewsLink.on("click", function(e) {
        if (isPageHaveReviewsBlock) {
            e.preventDefault();
            $("html, body").animate({
                scrollTop: reviewsBlockPosition
            }, 1000);
        } else {
            return true
        }
    });
});