GTM ABCD test

ab_test.js

<script>
  od_test_id = "ABTest-001",
  od_twin_id = "",
  od_test_name = "Просмотры - Shops",
  od_variations_count = 4,
  od_exposure_rate = 100,
  od_traffic_allocate = [25, 25, 25, 25],
  od_cookie_days = 60,
  od_cookie_path = "/",
  od_analytics = "universal",
  od_analytics_id = "{{GoogleAnalyticsId}}",
  od_go_live_date = "",
  od_go_offline_date = "",
  od_reset_date = "";
  od_incl_jquery = 0;

  function control() {
    od_variation_description = "default";
    window.exec('setHypothesis', {name: 'default'});
    console.log('default');
  }

  function variationB() {
    od_variation_description = "link-block";
    window.exec('setHypothesis', {name: 'link-block'});
    document.getElementsByClassName("b-sale__sale-text_promo_true")[0].style.background = "green";
    console.log('link-block');
  }


  function variationC() {
    od_variation_description = "link-only";
    window.exec('setHypothesis', {name: 'link-only'});
    document.getElementsByClassName("b-sale__sale-text_promo_true")[0].style.background = "red";
    console.log('link-only');
  }

  function variationD() {
    od_variation_description = "block-only";
    window.exec('setHypothesis', {name: 'block-only'});
    document.getElementsByClassName("b-sale__sale-text_promo_true")[0].style.background = "blue";
    console.log('block-only');
  }

  dataLayer.push({
    "event": "call_gtmtesting",
    "eventCallback": function() {
      od_initializeConfig();
      od_loadTest();
    }
  });

</script>