js pure numbers one by one stop display effect implementation code_javascript skills

JS pure numbers one by one stop display effect implementation code

function showScore($ele, num, secand, pause){ //second 按照秒数，动画运行多少秒
        if (!secand) { secand = 2;}
        if (!pause) { pause = 20;}

        var len = String(num).length;

        var temnum, times = 0 , stepTimes, max ;
        var numArr = String(num).split("");


        function getRandom(n){
          var num = Math.floor(Math.random()*(Math.pow(10, n)-1 - Math.pow(10, n-1))+Math.pow(10, n-1));

          if (String(num).length !== n) {num = getRandom(n);}

          return num;
        }

        function setValue(num, pause, secand){//second 运行多少秒后停止
          var len = String(num).length, j=0;

          if (!stepTimes) {
            max = Math.ceil(secand*1000/len);
            stepTimes = Math.ceil(max/pause);
          }
          
          temnum = "";
          setTimeout(function(){
            for (var i = 1; i <= len; i++) {
              if (times >= stepTimes*i) {
                j++;
                temnum += numArr[i-1]+"";
              }else{
                break;
              }
            };

            if (j < len) {
              $ele.html(temnum+""+getRandom(len-j));
            }else{
              $ele.html(temnum);
            }
            
            
            if (times >= max || j >= len) {return;};

            setValue(num, pause, secand);
            times++;
            
          }, pause);


        }

        setValue(num, pause, secand);

      }

showScore($(".num"), 2344, 1.5, 10);

The effect of pure numbers is to stop displaying the effect one by one. For example, this number keeps changing. The first digit is determined first, then the second digit is determined, and then the third digit is determined. Because the project was abandoned after a few days of use, I saved it.

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