DIV CSS 佈局教程網

【Html代碼】

<table>

<tr>

<td width="150">短信內容：</td>

<td>

<textarea name="message" cols="96" rows="5" onKeyDown="textCounter(message,remLen,65);"

onKeyUp="textCounter(message,remLen,65);"></textarea>

<td>
</tr>

<tr><td></td>
<td>您還可以輸入:<input name="remLen" type="text" value="65" size="5" readonly="readonly">個字符,每條短信最大允許輸入<strong>65</strong>個字符</td>

</tr>

</table>

【對應的js代碼】

<script>
function textCounter(field, countfield, maxlimit) {
if (field.value.length > maxlimit)
field.value = field.value.substring(0, maxlimit);
else
countfield.value = maxlimit - field.value.length;
}
</script>