2016年6月2日 星期四

期中考

<html>
<script>
var answer;

function radom()
{

  answer="";
  var n1 = Math.floor(Math.random()*10);
  var n2 = Math.floor(Math.random()*10);
  var n3 = Math.floor(Math.random()*10);


  while(n2==n1)
  n2 = Math.floor(Math.random()*10);
  while((n3==n1)||(n3==n2))
  n3 = Math.floor(Math.random()*10);

  answer = n1+""+n2+""+n3;
  document.write(answer);

}
   </script>
<body>
 <input type="button" value="亂數" onclick="radom()"/>
</body>

</html>

猜數字

<html>
 <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
<head><script language="JavaScript">
<!--

google.charts.load('current', {'packages':['corechart']}); google.charts.setOnLoadCallback(drawChart);
var answer;
var talk;
var times;
var times2;
var alltimes;
var ExpDate = new Date();
ExpDate.setTime(ExpDate.getTime() + (24*60*60*30*1000));
times2=0;
alltimes=0;
//Cookie
function GetCookie(name) {
  var arg = name + "=";
  var alen = arg.length;
  var clen = document.cookie.length;
  var i = 0;
  while (i < clen) {
      var j = i + alen;
      if (document.cookie.substring(i, j) == arg)
        return getCookieVal (j);
      i = document.cookie.indexOf(" ", i) + 1;
      if (i == 0)
        break;
  }
  return null;
}

function SetCookie (name, value) {
   var argv = SetCookie.arguments;
   var argc = SetCookie.arguments.length;
   var expires = (argc > 2) ? argv[2] : null;
   var path = (argc > 3) ? argv[3] : null;
   var domain = (argc > 4) ? argv[4] : null;
   var secure = (argc > 5) ? argv[5] : false;
   document.cookie = name + "=" + escape (value) + ((expires == null) ? "" : ("; expires="
                              + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path))
                              + ((domain == null) ? "" : ("; domain=" + domain))
                              + ((secure == true) ? "; secure" : "");
}

function getCookieVal (offset) {
   var endstr = document.cookie.indexOf (";", offset);
   if (endstr == -1)
      endstr = document.cookie.length;
   return unescape(document.cookie.substring(offset, endstr));
}
//end Cookie


function restart()
{
  clear();
  answer="";
  talk="";
  times=0;
  var a1 = Math.floor(Math.random()*10);
  var a2 = Math.floor(Math.random()*10);
  var a3 = Math.floor(Math.random()*10);
  var a4 = Math.floor(Math.random()*10);

  while(a2==a1)
  a2 = Math.floor(Math.random()*10);
  while((a3==a1)||(a3==a2))
  a3 = Math.floor(Math.random()*10);
  while((a4==a1)||(a4==a2)||(a4==a3))
  a4 = Math.floor(Math.random()*10);
  answer = a1+""+a2+""+a3+""+a4;
}

function right(form)
{
  var guessstring = form.guess.value;
  var anum=0;
  var bnum=0;

  for(i=0;i<4;i++)
  {
     if(answer.substring(i,i+1)==guessstring.substring(i,i+1))
       anum++;
     else
     {
       for(j=0;j<4;j++)
       {
          if(j!=i)
          {
            if(answer.substring(j,j+1)==guessstring.substring(i,i+1))
              bnum++;
          }
       }
     }
  }
  times++;
  alltimes++;

  if(anum==4)
  {
   times2=alltimes-times;
   alert("猜了第"+times+"次就答對了!!");
      }
  else
  {
      if(times==20)
      {
         alert("Game Over!!猜數字的次數已超過20次!!");
         if(confirm("別灰心!再來一局吧??"))
            restart();
         else
            window.close();
      }
      else
      {
         talk=talk+"\n"+guessstring+"  "+anum+"A"+bnum+"B";
         alert(talk+"\n這是您第"+times+"次所猜的數字!");
         clear();
      }
   }
}

function check(form)
{
  var guessstring=form.guess.value;
  if(guessstring.length==4)
  {
     if((guessstring.substring(0,1)==guessstring.substring(1,2))||
         (guessstring.substring(0,1)==guessstring.substring(2,3))||
         (guessstring.substring(0,1)==guessstring.substring(3,4))||
         (guessstring.substring(1,2)==guessstring.substring(2,3))||
         (guessstring.substring(1,2)==guessstring.substring(3,4))||
         (guessstring.substring(2,3)==guessstring.substring(3,4)))
     {
       alert("錯誤!!請輸入4位不同的數字!!");
       clear();
     }
     else
       right(form);
  }
  else
  {
    alert("錯誤!!請輸入4位不同的數字!!");
    clear();
  }
 drawChart();
}

function clear()
{
  document.game.guess.value="";
  document.game.guess.focus();
}




 function drawChart() {
  
       var data = google.visualization.arrayToDataTable([
          ['Task', 'Hours per Day'],
          ['game1',     times],
          ['game2',      times2],
        ]);

        var options = {
          title: 'My Daily Activities'
        };

        var chart = new google.visualization.PieChart(document.getElementById('piechart'));

        chart.draw(data, options);
      }



//-->
</script>

<title>1A2B Java Script</title>
</head>

<body

<p align="center"><big>1A2B</big></big></font></p>

<form name="game" onSubmit="check(this);return false;">

  <div align="center"><center><p><input type="text" size="8" name="guess"> <input type="button" value="送出" onClick="check(this.form)"> <input type="button" value="查看已猜數字!" onClick="alert(talk+'\n這是你(妳)'+times+'次所猜的數字!')"> </p>

  </center></div><hr>
<div align="center"><center><p><input type="button" value="遊戲開始" onClick="restart()">
  </center></div>
</form>

  <div id="piechart" style="width: 900px; height: 500px;"></div>
</body>
</html>