Membuat Directive

const vFocus = {
  mounted(el) {
    el.focus()
  }
}

---template---
<input v-focus id="auto-focus" />

Directive dengan Parameter

const vColor = {
  mounted(el, binding) {
    el.style.color = binding.value
  }
}

---template---
<p v-color="'blue'" id="colored">Teks biru</p>