title: how can i filter duplicate keys?
body: <pre><code>const bible = [
     {
        &quot;id&quot;:1001001,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:1,
        &quot;Text&quot;:&quot;In the beginning God created the heaven and the earth.&quot;
     },
     {
        &quot;id&quot;:1001002,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:2,
        &quot;Text&quot;:&quot;And the earth was without form, and void; and darkness was upon the face of the deep. And the Spirit of God moved upon the face of the waters.&quot;
     },
     {
        &quot;id&quot;:1001003,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:3,
        &quot;Text&quot;:&quot;And God said, Let there be light: and there was light.&quot;
     },
     {
        &quot;id&quot;:1001004,
        &quot;Book&quot;:&quot;Exodus&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:4,
        &quot;Text&quot;:&quot;And God saw the light, that it was good: and God divided the light from the darkness.&quot;
     },
     {
        &quot;id&quot;:1001005,
        &quot;Book&quot;:&quot;Exodus&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:5,
        &quot;Text&quot;:&quot;And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.&quot;
     },
     {
        &quot;id&quot;:1001006,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:6,
        &quot;Text&quot;:&quot;And God said, Let there be a firmament in the midst of the waters, and let it divide the waters from the waters.&quot;
     },
     {
        &quot;id&quot;:1001007,
        &quot;Book&quot;:&quot;Revelation&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:7,
        &quot;Text&quot;:&quot;And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.&quot;
     },
     {
        &quot;id&quot;:1001008,
        &quot;Book&quot;:&quot;Revelation&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:8,
        &quot;Text&quot;:&quot;And God called the firmament Heaven. And the evening and the morning were the second day.&quot;
     },
     {
        &quot;id&quot;:1001009,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:9,
        &quot;Text&quot;:&quot;And God said, Let the waters under the heaven be gathered together unto one place, and let the dry land appear: and it was so.&quot;
     },
     {
        &quot;id&quot;:1001010,
        &quot;Book&quot;:&quot;Genesis&quot;,
        &quot;Chapter&quot;:1,
        &quot;Verse&quot;:10,
        &quot;Text&quot;:&quot;And God called the dry land Earth; and the gathering together of the waters called he Seas: and God saw that it was good.&quot;
     }
  ]
  </code></pre>
  <p>How can i return an array with no duplicate bible.Book ?</p>