https://gdz.ru/build/assets/js/adRefresh.ac4307ea814ec7288aa0.js

1!function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="/build/",n(n.s=343)}({343:function(e,t,n){"use strict";var r=new Map,o=new IntersectionObserver((function(e){e.forEach((function(e){var t=e.target,n=e.isIntersecting,o=r.get(t.id);o&&(o.isVisible=n,n?o.start():o.stop())}))}),{threshold:.5});document.addEventListener("visibilitychange",(function(){r.forEach((function(e){document.hidden?e.stop():e.isVisible&&e.start()}))})),document.addEventListener("DOMContentLoaded",(function(){document.querySelectorAll("[data-refresh-ad]").forEach((function(e){var t=e.dataset.refreshAd;t&&e.id?function(e,t,n){var i=e.id,u=null,a=!1,c={isVisible:!1};function d(){(window.yaContextCb=window.yaContextCb||[]).push((function(){Ya.Context.AdvManager.render({blockId:t,renderTo:i})}))}function s(){c.isVisible&&!document.hidden?(d(),u=setTimeout(s,n)):u=null}c.start=function(){u||(a||(d(),a=!0),u=setTimeout(s,n))},c.stop=function(){clearTimeout(u),u=null},r.set(i,c),o.observe(e)}(e,t,Number(e.dataset.refreshInterval)||6e4):console.warn("adRefresh: пропущен блок без blockId или id",e)}))}

1))}});