# install dependencies
npm install
# serve with hot reload at localhost:9999
npm run dev
# build for production with minification
npm run build
# Options
* :endtime String
* :id String
* :servertime String
* callback Function
# countdown.vue
<template>
<count-down :endtime="time.endtime" :id="time.id" :servertime="time.servertime"></count-down>
</template>