运动函数

function move(ele, obj, callback) {   let timerLen = 0;   for (let key in obj) {     timerLen++     let speed;     clearInterval(ele[key])     ele[key] = setInterval(() => {       let style;       if (key === 'opacity') {         style = getStyle(ele, key) * 100;       } else {         style = parseInt(getStyle(ele, key));       }       speed = (obj[key] - style) / 25;
      speed = speed > 0 ? Math.ceil(speed) : Math.floor(speed);       style = style + speed;
      if (key === 'opacity') {         ele.style[key] = style / 100;       } else {         ele.style[key] = style + 'px';       }
      if (style === obj[key]) {         clearInterval(ele[key]);         timerLen--;         if (timerLen === 0) {           callback && callback();         }       }

    }, 10)   } }
    function getStyle(ele, attr) {       var style;       if (ele.currentStyle) {         style = ele.currentStyle[attr];       } else {         style = window.getComputedStyle(ele)[attr];       }       return style     }

function compare(prop, align) {   return function (a, b) {     var value1 = a[prop];     var value2 = b[prop];     if (align == "positive") {//正序       return new Date(value1) - new Date(value2);     } else if (align == "inverted") {//倒序       return new Date(value2) - new Date(value1);     }   } } export {   move,   compare }

标签：timerLen,function,style,函数,ele,key,运动,speed
来源： https://www.cnblogs.com/wsj1/p/16529825.html