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<!DOCTYPE html>
<html>
<head>
</head>
<body>
  
  <table cellpadding='5' border='1' style="text-align:center">
    <tr>
      <td><b>Name</b></td>
      <td><b>Weapon Power</b></td>
      <td><b>Magic Power</b></td>
      <td><b>Points Left</b></td>
    </tr>
    <tr>
      <td><b>Wizard</b></td>
      <td>
      
        <input id="txtNumber" type=text" value="55"         style="width:30px" />
  <input id="btnAdd" type="button" value="+" onclick="add();" />
  <input id="btnSubtract" type="button" value="-" onclick="subtract();" />
      </td>
      <td>
        
        <input id="txtNumber" type=text" value="50" style="width:30px" />
  <input id="btnAdd" type="button" value="+" onclick="add();" />
  <input id="btnSubtract" type="button" value="-" onclick="subtract();" />
       
      </td>
      <td>
      
        <input id="txtNumber" type=text" value="30" style="width:30px" />
      </td>
    </tr>
    <tr>
      <td><b>Warrior</b></td>
      <td>
        
        <input id="txtNumber" type=text" value="65" style="width:30px" />
  <input id="btnAdd" type="button" value="+" onclick="add();" />
  <input id="btnSubtract" type="button" value="-" onclick="subtract();" />
      </td>
      <td>
          
        <input id="txtNumber" type=text" value="40" style="width:30px" />
  <input id="btnAdd" type="button" value="+" onclick="add();" />
  <input id="btnSubtract" type="button" value="-" onclick="subtract();" />
     
      </td>
      <td>
          
        <input id="txtNumber" type=text" value="30" style="width:30px" />
      
      </td>
    </tr>
  </table>
  
</body>
</html>
 
function add()
{
  var txtNumber = document.getElementById("txtNumber");
  var newNumber = parseInt(txtNumber.value) + 1;
  txtNumber.value = newNumber;
}
function subtract()
{
  var txtNumber = document.getElementById("txtNumber");
  var newNumber = parseInt(txtNumber.value) - 1;
  txtNumber.value = newNumber;
}
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anonymouspro
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