Conditionally triggering custom tag (loading remote js script) based on user geolocation and other conditions.

conditional-custom-tag-trigger.js

  <script src="https://code.jquery.com/jquery-3.1.0.js"></script>
  <script id="myScript" type="text/javascript">
    (function (){
      var excludeCountries = [
        'Russia'
      ]

      var timeout = 10000

      var cookieValue = document.cookie.replace(/(?:(?:^|.*;\s*)no_ads\s*\=\s*([^;]*).*$)|^.*$/, '$1')
      if (cookieValue !== 'true') {
        $.getJSON('https://ipapi.co/json/', function(data) {
          var countryName = data.country_name
          if (excludeCountries.indexOf('country_name') !== -1) return
          setTimeout(function () {
            document.cookie = 'no_ads=true; expires=Fri, 31 Dec 9999 23:59:59 GMT'
            triggerTag()
          }, timeout)
        })
      }

      function triggerTag() {
        var scriptTag=document.createElement("script")
        scriptTag.type="text/javascript"
        scriptTag.charset="utf-8"
        scriptTag.src=("//scripts.example.com/xxx.js")
        var s=document.getElementById("myScript")
        s.parentNode.insertBefore(scriptTag, s)
      }
    })()
  </script>