针对jQuery中每个循环嵌套的子元素

Question

我的问题与Targeting $(this) within nested for each loops in jQuery完全相同，但由于某种原因我无法使其发挥作用。这是我的代码：

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$(document).ready(function() {
    var rows=$('.row');
    var count = 0;
    $.each(rows, function() {
        console.log(".row "+count++);
        var row = $(this);
        var cells = row.find('span.RIF_Field');
        if (cells.length > 0) {
            console.log("cells "+cells.length);
            var hidden = true;
            $.each(cells, function() {
                if(!$(this).is(':hidden')) {
                    console.log($(this).id + " is visible");
                    hidden = false;
                }
            });
            if (hidden)  {
                console.log("nothing is visible");
                row.hide();
            }
        }
    });
});

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<link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div class="container">
    
<div class="row"><div class="col-sm-6"><br style="clear:both;">
<div class="RIF_Field RIF_Street" id="yourStreet" style="float:left;width:200px;"><label class="fldLbl" id="yourStreetLabel">Address Line 1:</label><br>
<span style="white-space: nowrap;"><input id="yourStreetValue" maxlength="35" name="yourStreet" size="32" style="width:200px;" type="text"><img alt="" height="9" id="yourStreetReqdImg" src="/img/1.gif" width="11"></span></div>
</div>
<div class="col-sm-6"><br style="clear:both;">
<div class="RIF_Field RIF_Addr2" id="yourAddr2" style="float:left;width:200px;"><label class="fldLbl" id="yourAddr2Label">Address Line 2:</label><br>
<span style="white-space: nowrap;"><input id="yourAddr2Value" maxlength="35" name="yourAddr2" size="32" style="width:200px;" type="text"><img alt="" height="9" id="yourAddr2ReqdImg" src="/img/1.gif" width="11"></span><br>
<span class="RIF_description">Test</span></div>
</div>
</div>
    
    
<div class="row"><div class="col-sm-6"><br style="clear:both;">
<div class="RIF_Csp3" id="yourCsp3" style="float:left;"><span class="RIF_Field RIF_State" id="yourState" style="display: none;"><label class="fldLbl" id="yourStateLabel">Other Address Information:</label><br>
<span style="white-space: nowrap;"><input type="text" size="15" maxlength="15" id="yourStateValue" name="yourState" onchange="null" onfocus="null" onblur="null" tabindex="0" class="ui-autocomplete-input" autocomplete="off"><img alt="" height="9" id="yourStateReqdImg" src="/img/1.gif" width="11"></span></span></div>
</div>
<div class="col-sm-6"><div></div>
</div>
</div>
    
 <div class="row"><div class="col-sm-6"><br style="clear:both;">
<div class="RIF_Field RIF_Phone" id="yourPhone" style="float:left;width:300px;"><label class="fldLbl" id="yourPhoneLabel">Telephone:</label><br>
<span style="white-space: nowrap;"><input id="yourPhoneValue" maxlength="15" name="yourPhone" size="15" style="width:300px;" type="text"><img alt="" height="9" id="yourPhoneReqdImg" src="/img/1.gif" width="11"></span></div>
<div class="RIF_Field RIF_Extension" id="yourExtension" style="float:left;width:100px;"><label class="fldLbl" id="yourExtensionLabel">Ext.:</label><br>
<span style="white-space: nowrap;"><input id="yourExtensionValue" maxlength="5" name="yourExtension" size="5" style="width:100px;" type="text"><img alt="" height="9" id="yourExtensionReqdImg" src="/img/1.gif" width="11"></span></div>
</div>
<div class="col-sm-6"><br style="clear:both;">
<div class="RIF_Field RIF_Email" id="yourEmail" style="float:left;width:400px;"><label class="fldLbl" id="yourEmailLabel">E-mail:</label><br>
<span style="white-space: nowrap;"><input id="yourEmailValue" maxlength="50" name="yourEmail" size="32" style="width:400px;" type="text"><img alt="" height="9" id="yourEmailReqdImg" src="/img/1.gif" width="11"></span></div>
</div>
</div>   
    
    
</div>

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我试图隐藏隐藏所有单元格的.row元素。我做错了什么？

Answer 1

代码File origional = new File(fileorig); 无效您想cells.size()。它也永远不会为空。

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cells.length

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$(document).ready(function() {
  var rows=$('.row');
  var count = 0;
  $.each(rows, function() {
    console.log(".row "+count++);
    var row = $(this);
    var cells = row.find('span.RIF_Field');
    if (cells.length > 0) {
      console.log("cells "+cells.length);
      var hidden = true;
      $.each(cells, function() {
        if(!$(this).is(':hidden'))
          console.log($(this).id + " is visible");
        hidden = false;
      });
      if (hidden)  {
        console.log("nothing is visible");
        row.hide();
      }
    }
  });
});

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