text: 'use strict'
  var isPlay = false
  
  function getRandomInt(min, max){
      min = Math.ceil(min);
      max = Math.floor(max);
      return Math.floor(Math.random() * (max - min + 1) + min);
      } 
  
  function shuffle(items) {
      var randIdx, keep, i
      for (i = items.length - 1; i > 0; i--) {
          randIdx = getRandomInt(0, items.length - 1)
          keep = items[i]
          items[i] = items[randIdx]
          items[randIdx] = keep
      }
  }
  
  function fillNums(nums){
      for(var i=0;i<16;i++){
          nums.push(i+1)
      }
  }
  
  
  // function startTimer(rt) {
  //     if (!isPlay) return
  //     setTimeout(function () {
  //         realTime = Date.now() - rt
  //         document.querySelector('h3 span1').innerText = presentTime(realTime)
  //         console.log(presentTime(realTime))
  //         startTimer(rt)
  //     })
  // }
  
  // function presentTime(time) {
  //     var msec = parseInt(time)
  //     var sec = parseInt(time / 1000)
  //     var min = parseInt(time / 60000)
  //     if (sec < 10) sec = '0' + sec
  //     if (min < 10) min = '0' + min
  //     if (msec > 1000) msec = msec % 1000
  //     if (sec > 59) {
  //         sec = sec % 60
  //         if (sec < 10) sec = '0' + sec
  //     }
  //     return min + ':' + sec + '.' + msec
  // }