v-model and computed example
HTML
<div id="app">
<label for="old">Old</label>
<input name="old" type="text" v-model="oldEmail">
<label for="old">New</label>
<input name="old" type="text" v-model="newEmail">
<p v-if="emailsMatch">
Old and new should not match!
</p>
</div>
Vue
new Vue({
el: "#app",
data: {
oldEmail: '',
newEmail: '',
},
computed: {
emailsMatch: function () {
return this.oldEmail === this.newEmail;
}
}
})