- <script>
- <!--
- function conWrite(obj,size,msg)
- {
- if (document.getElementById(obj) != null)
- {
- var length = size - document.getElementById(obj).value.length;
- if (length> 0)
- {
- document.getElementById(msg).innerhtml="您当前还可以输入 < strong><span class=\\"font_green\\">" + length + "</span></strong > 个字符";
- }
- else
- {
- document.getElementById(msg).innerHTML="您当前输入的字符数已超过限制";
- }
- }
- }
- //-->
- </script > 请输入内容:
- <textarea name="consult" id="consult" onMouseMove="conWrite('consult',30,'consultMsg')" onKeyUp="conWrite('consult',30,'consultMsg')" cols="50" rows="3" class="bird_form1" onFocus="if(this.value=='没有参考任何文献')this.value=''" onBlur="if(this.value=='')this.value='没有参考任何文献'"> 没有参考任何文献 </textarea>
- <table border=1>
- <tr>
- <td id="consultMsg"></td>
- </tr>
- </table>
来源: http://www.codesnippet.cn/detail/300120131995.html