日期:2014-05-16 浏览次数:20354 次
<script type="text/javascript"> var oldv; function test() { var nDiv = document.getElementById("div1"); if (window.attachEvent) { var nInput; for (var i = 0; i < nDiv.getElementsByTagName("input").length; i++) { nInput = nDiv.getElementsByTagName("input")[i]; nInput.attachEvent("onfocus", function () { oldv = nInput.value; nInput.style.color = "Black"; nInput.value = ""; }); nInput.attachEvent("onblur", function () { if (nInput.value == "") { nInput.value = oldv; nInput.style.color = "Gray"; } }); } } else { alert("2"); } } </script>
<form runat="server" id="form1"> <div id="div1"> <table> <tr> <td align="right">用户名:</td> <td><input id="Text1" type="text" value="USER NAME" style="color:Gray" /></td> </tr> <tr> <td align="right">昵称:</td> <td><input id="Text2" type="text" value="NIC NAME" style="color:Gray" /></td> </tr> <tr> <td align="right">密码:</td> <td><input id="Text3" type="text" value="PASSWORD" style="color:Gray" /></td> </tr> <tr> <td align="right">确认密码:</td> <td><input id="Text4" type="text" value="CONFIRM PASSWORD" style="color:Gray" /></td> </tr> <tr> <td align="right">邮箱:</td> <td><input id="Text5" type="text" value="EMAIL" style="color:Gray" /></td> </tr> <tr> <td align="right">电话:</td> <td><input id="Text6" type="text" value="TELEPHONE" style="color:Gray" /></td> </tr> </table> </div> <table> <tr> <td><input id="Button1" type="button" value="提交" /></td> <td colspan = "30"></td> <td><input id="Button2" type="button" value="返回" /></td> </tr> </table> </form>
// 通用代码 <script type="text/javascript"> var oldv = ""; function onfo