title: URL.createObjectURL and charset UTF-8
body: <p>i have problem with encoding my text </p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>var description = "jak używać?"
          var blob = new Blob([description], {
              type: "text/plain;charset=utf-8;"
          });
          var url = URL.createObjectURL(blob);
          console.log(url)</code></pre>
  </div>
  </div>
  </p>
  
  <p>where i enter to url my description isnt same and return jak uĹźywaÄ? What i doing wrong?</p>