【Html代码】
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<table><tr><td width="150">短信内容：</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>您还可以输入:<input name="remLen" type="text" value="65" size="5" readonly="readonly">个字符,每条短信最大允许输入<strong>65</strong>个字符</td></tr></table> |
【对应的js代码】
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<script>function textCounter(field, countfield, maxlimit) {if (field.value.length > maxlimit)field.value = field.value.substring(0, maxlimit);elsecountfield.value = maxlimit - field.value.length;}</script> |
