countUp.js（往上计数动效）

前端插件

滚动计数

github地址：https://github.com/inorganik/countUp.js

var options = {
    useEasing: true,
    useGrouping: true,
    separator: ',',
    decimal: '.',
    prefix: '',
    suffix: ''
};
var countObj = new CountUp("counter-registers" , 0, 1000, 0, 0.5, options);
    countObj.start();

• target = id of html element, input, svg text element, or var of previously selected element/input where counting occurs
• startVal = the value you want to begin at
• endVal = the value you want to arrive at
• decimals = (optional) number of decimal places in number, default 0
• duration = (optional) duration in seconds, default 2
• options = (see demo, optional) formatting/easing options object