Contoh aplikasi dunia nyata yang mengintegrasikan reaktivitas, directive v-model, perulangan v-for, dan computed property.
v-model.push() dan menghapus via splice().computed.<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
background: #f8fafc;
color: #1e293b;
padding: 24px;
margin: 0;
line-height: 1.6;
}
.vue-app-container {
background: white;
border-radius: 12px;
padding: 24px;
max-width: 520px;
margin: 0 auto;
box-shadow: 0 4px 15px rgba(0,0,0,0.06);
border-top: 4px solid #42b883;
}
.vue-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 18px;
padding-bottom: 12px;
border-bottom: 1px solid #f1f5f9;
}
.vue-title {
font-weight: 700;
color: #0d2e5c;
font-size: 16px;
display: flex;
align-items: center;
gap: 8px;
}
.badge-vue {
background: #42b883;
color: white;
padding: 3px 10px;
border-radius: 20px;
font-size: 11px;
font-weight: 700;
}
button {
background: #42b883;
color: white;
border: none;
padding: 8px 16px;
border-radius: 6px;
cursor: pointer;
font-weight: 600;
font-size: 13px;
transition: all 0.2s;
}
button:hover {
background: #33a06f;
}
input, select, textarea {
padding: 8px 12px;
border: 1px solid #cbd5e1;
border-radius: 6px;
font-size: 14px;
box-sizing: border-box;
outline: none;
}
input:focus, select:focus, textarea:focus {
border-color: #42b883;
box-shadow: 0 0 0 3px rgba(66, 184, 131, 0.15);
}
.pill {
display: inline-block;
background: #e2e8f0;
padding: 4px 10px;
border-radius: 12px;
font-size: 12px;
margin: 2px;
}
</style>
</head>
<body>
<div id="app" class="vue-app-container">
<div class="vue-header">
<span class="vue-title">🟢 Vue Examples</span>
<span class="badge-vue">Vue 3 Live</span>
</div>
<p><strong>Aplikasi Todo List Interaktif:</strong></p>
<div style="display:flex; gap:6px; margin-bottom:12px;">
<input type="text" v-model="tugasBaru" @keyup.enter="tambahTugas" placeholder="Tambah kegiatan baru..." style="flex:1;">
<button @click="tambahTugas">Tambah</button>
</div>
<ul style="padding-left:0; list-style:none; margin:0;">
<li v-for="(t, i) in list" :key="i" style="display:flex; justify-content:space-between; align-items:center; padding:8px 0; border-bottom:1px solid #f1f5f9;">
<label style="display:flex; align-items:center; gap:8px; cursor:pointer;">
<input type="checkbox" v-model="t.selesai">
<span :style="{ textDecoration: t.selesai ? 'line-through' : 'none', color: t.selesai ? '#94a3b8' : '#1e293b' }">{{ t.teks }}</span>
</label>
<button @click="hapusTugas(i)" style="background:#ef4444; padding:4px 8px; font-size:11px;">Hapus</button>
</li>
</ul>
<div style="margin-top:12px; font-size:12px; color:#64748b;">
Tersisa: {{ sisaTugas }} tugas belum selesai
</div>
</div>
<script>
const { createApp, ref, reactive, computed, watch, onMounted } = Vue;
createApp({
data() {
return {
tugasBaru: "",
list: [
{ teks: "Pelajari Direktif Vue 3", selesai: true },
{ teks: "Uji Coba Two-Way Binding", selesai: false }
]
};
},
computed: {
sisaTugas() {
return this.list.filter(t => !t.selesai).length;
}
},
methods: {
tambahTugas() {
if (!this.tugasBaru.trim()) return;
this.list.push({ teks: this.tugasBaru.trim(), selesai: false });
this.tugasBaru = "";
},
hapusTugas(index) {
this.list.splice(index, 1);
}
}
}).mount('#app');
</script>
</body>
</html>Aplikasi mendemonstrasikan bagaimana manipulasi data array langsung memperbarui tampilan antarmuka secara otomatis.