Используйте метод Array#filter
с вычисляемым свойством:
var app = new Vue({
el: "#app",
data: function() {
return {
ayam: [{
id: 62,
id_cms_users: 7,
cms_users_name: "Imam Prasetyo",
berminat: 1
},
{
id: 61,
id_cms_users: 7,
cms_users_name: "Imam Prasetyo",
berminat: 1
},
{
id: 56,
id_cms_users: 20,
cms_users_name: "Nanda Rusfikri",
berminat: 2
}
]
};
},
computed: {
uniqueAyam: function () {
var existingIds = {};
return this.ayam.filter(function (user) {
if (existingIds[user.id_cms_users]) return false;
return existingIds[user.id_cms_users] = true;
})
}
}
});
body{background:linear-gradient(135deg,#42e695 0,#3bb2b8 100%);font-family:futura,helvetica;background-repeat:no-repeat;height:100vh;display:flex;justify-content:center;padding:2px}table{background:#FAFAFA;padding:20px;border-radius:5px;box-shadow:0 20px 50px -10px rgba(0,0,0,.2)}tr{padding:5px;box-shadow:0 1px 0 #d3d3d3;height:2rem}h1{color:#fff;text-shadow:0 2px 5px rgba(0,0,0,.2)}
<script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>
<div id="app">
<h1>Users</h1>
<table>
<!-- Change `ayam` to `uniqueAyam` -->
<tr v-for="coba in uniqueAyam">
<td>{{ coba.id_cms_users }}</td>
<td>{{ coba.cms_users_name }}</td>
<td>{{ coba.berminat }}</td>
</tr>
</table>
</div>