$3
| Property | Description | type | default |
| ----------------- | ---------------- | :--------: | :----------: |
| fatherStyle |div-outside which name is father|Object|{}
| childStyle | span-inside|Object|{}
| startVal | the value you want to begin at |Number| 0 |
| endVal | the value you want to arrive at |Number | 2017 |
| duration | duration in millisecond | Number | 3000 |
| autoplay | when mounted autoplay | Boolean | true |
| decimals | the number of decimal places to show | Number | 0 |
| decimal | the split decimal | String | . |
| separator | the separator | String | , |
| prefix | the prefix | String | '' |
| suffix | the suffix | String | '' |
| useEasing | is use easing function | Boolean | true |
| easingFn | the easing function | Function | — |
notes: when autoplay:true , it will auto start when startVal or endVal change
License
MIT @zhuyuhao