t = error
            })
    }
&lt;/script&gt;

&lt;body&gt;
    &lt;h1&gt;Welcome to the CORS tutorial&lt;/h1&gt;

    &lt;button onclick=&quot;callDemoRoute()&quot;&gt;Call demo Otoroshi Route&lt;/button&gt;

    &lt;div class=&quot;container&quot;&gt;
        &lt;h2 style=&quot;font-style: italic;&quot;&gt;Result of http://cors.oto.tools calls&lt;/h2&gt;
        &lt;div class=&quot;result&quot;&gt;
            &lt;div class=&quot;flexcol&quot;&gt;
                &lt;h3&gt;Result&lt;/h3&gt;
             