@{
    ViewBag.Title = @GlobalConfig.ProjectTitle;
    Layout = "~/Views/Shared/_MainLayout.cshtml";
}

<div id="divTest">
    <template v-for="item in test1Proxy">
        <input type="text" v-model="item.val" />
    </template>
</div>

@section JS{
    <script>
        var vue = new Vue({
            el: '#divTest',
            data: {
                test1: [{val:'0'}],
                test1Proxy:[]
            },
            mounted: function () {
                this.test1Proxy = this.test1.map(function (obj) {
                    return {
                        get val() {
                            return obj.val + '123';
                        },
                        set val(newValue) {
                            obj.val = newValue.substring(0, newValue.length - 3);
                        }
                    };
                });
            }
        });
    </script>
}