https://github.com/vuejs/vue-validator/issues/137
No-Library (pure JS), HTML, CSS, JavaScript
https://github.com/vuejs/vue-validator/issues/46#issuecomment-170381527
https://github.com/vuejs/vue-validator/issues/120
https://github.com/vuejs/vue-validator/issues/99
https://github.com/vuejs/vue-validator/issues/103
Vue (edge), HTML, CSS, JavaScript