title: cross domain at axios
body: <p>I am changing jquery ajax for axios and I not getting use axios with cross domain:</p>
  
  <pre><code>axios.get(myurl, {
              headers: { 'crossDomain': true },
          }).then(res =&gt; { 
              console.log(res);
  
          }).catch(error =&gt; {
              console.log('erro', error);
          })
  </code></pre>
  
  <p>My jquery code is working:</p>
  
  <pre><code>$.ajax({
     type: 'GET',
     crossDomain: true,
     url:myurl,
     success: (res) =&gt; {},
     error: (fail) =&gt; {}     
  })
  </code></pre>
  
  <p>The error: Request header field crossDomain is not allowed by Access-Control-Allow-Headers in preflight response.</p>
  
  <p>Can anyone help me?</p>