<table class="table table-bordered" style="width:100%;"> <tbody id='tab2' class='table table-hover'><tr><th>序号</th><th>支付时间</th><th>支付金额</th><th>是否已出账</th></tr> <tr> <td>1</td> <td ><div id="rtime1" class="datepicker-target">2014-05-01</div></td> <td><input type="text" name="money"/> </td> <td>否</td> </tr> <tr> <td>2</td> <td><div id='rtime2' class="datepicker-target">2014-05-02</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>3</td> <td><div id='rtime3' class="datepicker-target">2014-05-03</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>4</td> <td><div id='rtime4' class="datepicker-target">2014-05-04</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>5</td> <td><div id='rtime5' class="datepicker-target">2014-05-05</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>6</td> <td><div id='rtime6' class="datepicker-target">2014-05-06</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>7</td> <td><div id='rtime7' class="datepicker-target">2014-05-07</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>8</td> <td><div id='rtime8' class="datepicker-target">2014-05-08</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>9</td> <td><div id='rtime9' class="datepicker-target">2014-05-19</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>10</td> <td><div id='rtime10' class="datepicker-target">2014-05-10</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>11</td> <td><div id='rtime11' class="datepicker-target">2014-05-11</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td>12</td> <td><div id='rtime12' class="datepicker-target">2014-05-12</div></td> <td><input type="text" name="money"/></td> <td>否</td> </tr> <tr> <td colspan="5" style="text-align: center" > <button type="button" class="btn" id="okBtn"> <span>保存</span> </button> <button type="button" class="btn" id="backBtn"> <span>返回</span> </button> </td></tr> </tbody> </table>
<script> $(function(){ $(".datepicker-target").each(function(){ var value=$(this).html(); var next=$(this).next().html(); if(next!=null){ if(value>next){ alert("前面的时间大于后面的时间"); return; } } });
为什么next的值是null,怎么获取next的值?