洗牌算法

<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>体彩大乐透</title>
</head>
<body>
<div id="ll"></div>
<script>
  let 前区 = [
    "01", "02", "03", "04", "05", "06", "07", "08", "09", "10",
    "11", "12", "13", "14", "15", "16", "17", "18", "19", "20",
    "21", "22", "23", "24", "25", "26", "27", "28", "29", "30",
    "31", "32", "33", "34", "35"
  ]
  let 后区 = [
    "01", "02", "03", "04", "05", "06", "07", "08", "09", "10",
    "11", "12"
  ]

  function 洗牌算法(arr) {
    for (let i = arr.length - 1; i >= 0; i--) {
      let temp = arr[i]
      let swap = parseInt(Math.random() * (i + 1))
      arr[i] = arr[swap]
      arr[swap] = temp
    }
  }

  洗牌算法(前区)
  洗牌算法(后区)
  let 前区中奖号码 = [前区[0], 前区[1], 前区[2], 前区[3], 前区[4]].sort()
  let 后区中奖号码 = [后区[0], 后区[1]].sort()
  let ll = document.getElementById("ll");
  ll.innerHTML = `<span>${前区中奖号码}</span> | <span>${后区中奖号码}</span>`
</script>
</body>
</html>
原文地址:https://www.cnblogs.com/linding/p/15318862.html