using v-if in vue code example
Example 1: vue v-if
<div v-if="Math.random() > 0.5">
Now you see me
</div>
<div v-else>
Now you don't
</div>
Example 2: vue v-if compare string
<span v-for="role in user.roles">
<span v-if="role.name == 'Admin'">Yes</span>
<span v-else>-</span>
</span>