爲什麼我的佔位符不符合?爲什麼它不顯示全文?HTML Table佔位符錯誤
<body>
<div>
<form method="post" action="">
<table border="1" width="200">
<tr>
<th colspan="6" align="center"> <b>Mini Calculator</b>
</th>
</tr>
<tr>
<td Colspan="6">
<input id="txtvalueone" type="text" placeholder="Please Enter The First Value Here" />
</td>
</tr>
<tr>
<td Colspan="6">
<input id="txtvaluetwo" type="text" placeholder="Please Enter The Second Value Here" />
</td>
</tr>
<tr>
<td colspan="6">
<input id="txtresult" type="text" placeholder="Result Here" disabled/>
</td>
<tr>
<tr>
<TD>
<INPUT id="btnAdd" type="button" value="Add" onclick="txtresult.value = eval(parseFloat(txtvalueone.value) + parseFloat(txtvaluetwo.value))" />
</TD>
<TD>
<INPUT id="btnSubtract" type="button" value="Subtract" onclick="txtresult.value = eval(parseFloat(txtvalueone.value) - parseFloat(txtvaluetwo.value))" />
</TD>
<TD>
<INPUT id="btnMultiply" type="button" value="Multiply" onclick="txtresult.value = eval(parseFloat(txtvalueone.value) * parseFloat(txtvaluetwo.value))" />
</TD>
<TD>
<INPUT id="btnDivide" type="button" value="Divide" onclick="txtresult.value = eval(parseFloat(txtvalueone.value)/parseFloat(txtvaluetwo.value))" />
</TD>
<TD>
<INPUT id="btnreset" type="reset" value="Reset" />
</TD>
</tr>
</TABLE>
</FORM>
</DIV>
</BODY>
請更新,以JSFiddlle如果可能的話
你需要提及的大小,以增加將inputTextField。我想你想要這樣.. http://jsfiddle.net/56mTX/5/ – Karuppiah
非常感謝,你幫助:D – user3184290