title: fetch data which come from firebse
body: <p>I just wanted to fetch that data which coming from this <a href="https://food-ordring-af14d-default-rtdb.firebaseio.com/order" rel="nofollow noreferrer">https://food-ordring-af14d-default-rtdb.firebaseio.com/order</a> the data is in the form of JSON and it looks like that</p>
  <blockquote>
  </blockquote>
  <pre><code>{
    &quot;-MzJLd0sSssh9tbJbjUS&quot; : {
      &quot;orderDetails&quot; : [ {
        &quot;amount&quot; : 4,
        &quot;id&quot; : &quot;m1&quot;,
        &quot;name&quot; : &quot;Shushi&quot;,
        &quot;price&quot; : 22.99
      }, {
        &quot;amount&quot; : 3,
        &quot;id&quot; : &quot;m2&quot;,
        &quot;name&quot; : &quot;Schnitzel&quot;,
        &quot;price&quot; : 16.5
      } ],
      &quot;user&quot; : {
        &quot;address&quot; : &quot;A-132 shiv vihar,rishal garden,Nangloi&quot;,
        &quot;city&quot; : &quot;New delhi&quot;,
        &quot;name&quot; : &quot;Bhupender Sharma&quot;,
        &quot;postal&quot; : &quot;110041&quot;
      }
    },
    &quot;-MzJOf_52xhRQi3izTRV&quot; : {
      &quot;orderDetails&quot; : [ {
        &quot;amount&quot; : 2,
        &quot;id&quot; : &quot;m3&quot;,
        &quot;name&quot; : &quot;Barbecue Burger&quot;,
        &quot;price&quot; : 12.99
      }, {
        &quot;amount&quot; : 2,
        &quot;id&quot; : &quot;m4&quot;,
        &quot;name&quot; : &quot;Green Bowl&quot;,
        &quot;price&quot; : 18.99
      } ],
      &quot;user&quot; : {
        &quot;address&quot; : &quot;Nangloi&quot;,
        &quot;city&quot; : &quot;New delhi&quot;,
        &quot;name&quot; : &quot;ANkit&quot;,
        &quot;postal&quot; : &quot;445575&quot;
      }
    }
  }
  </code></pre>