topical media & game development

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basic-javascript-03-ch3-q4.htm / htm



  <html>
  <body>
  <script language="JavaScript" type="text/javascript">
  
  function writeTimesTable(timesTable, timesByStart, timesByEnd)
  {
     for (;timesByStart <= timesByEnd; timesByStart++)
     {
        document.write(timesTable + " * " + timesByStart + " = " +
           timesByStart * timesTable + "<br>");
     }
  }
  
  var timesTable;
  
  while ( (timesTable = prompt("Enter the times table",-1)) != -1)
  {
     while (isNaN(timesTable) == true)
     {
      timesTable = prompt(timesTable + " is not a valid number, please retry",-1);
     }
  
     if (timesTable == -1)
     {
        break;
     }
  
     document.write("<br>The " + timesTable + " times table<br>");
     writeTimesTable(timesTable,1,12);
  
  }
  </script>
  </body>
  </html>
  


(C) Æliens 20/2/2008

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