提交失败的时候不清空文本框信息
提交失败的时候不清空文本框信息,应该怎么写?
<script language="javascript">function test() { var LEN = document.getElementById("qty").value; for(var i=1; i<=LEN ; i++) { if(document.getElementById("weeknumber" + i).value=="") { alert("周别不能为空!")document.getElementById("weeknumber" + i).focus();return false; } } }</script><form id="form1" name="form1" method="post" action=""><% for i=1 to 5 %><input type="text" name="weeknumber<%=i%>" id="weeknumber<%=i%>"/><br /><% next %><input name="qty" id="qty" type="hidden" value="<%= i-1%>" /><input type="submit" name="button" id="button" value="提交" onclick="test();" /></form>