版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/ion-rangeslider/2.3.1/css/ion.rangeSlider.css
- https://cdn.bootcdn.net/ajax/libs/ion-rangeslider/2.3.1/css/ion.rangeSlider.min.css
- https://cdn.bootcdn.net/ajax/libs/ion-rangeslider/2.3.1/js/ion.rangeSlider.js
- https://cdn.bootcdn.net/ajax/libs/ion-rangeslider/2.3.1/js/ion.rangeSlider.min.js