<script>
export default {
    data: {
        $el: '',
        _foo: 'bar',
    },
};
</script>

<script>
export default {
    computed: {
        $data() {
            return this.someData;
        },
    },
};
</script>

<script>
export default {
    data() {
        return {
            message: 'Hello Vue!',
            count: 0,
        };
    },
};
</script>

<script>
export default {
    computed: {
        displayMessage() {
            return this.message;
        },
    },
};
</script>