Click to find all unique div parent elements of each span. : parents « jQuery « JavaScript Tutorial

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JavaScript Tutorial » jQuery » parents 
30. 77. 9. Click to find all unique div parent elements of each span.
<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
    function showParents() {
            
              var len = $("span")
                               .parents("div")
                               .css("border""2px red solid")
                               .length;
              $("b").text("Unique div parents: " + len);
            }
            $("span").click(function () {
             
              showParents();
            });
        });
    </script>
    <style>
      .selected color:blue; }
      
    </style>
    
  </head>
  <body>
    <body>
        <div>
          <div><span>span</span></div>
          <span>span</span>
        </div>
        <div>
          <span>span</span>
        </div>
        <b></b>
    </body>
</html>
30. 77. parents
30. 77. 1. Get DIV parent count
30. 77. 2. Get form input parent
30. 77. 3. Get parents
30. 77. 4. Get parent with certain class
30. 77. 5. Returns true, because the parent of the input is a form element
30. 77. 6. parent(expr): filter the set of parent elements
30. 77. 7. Shows the parent of each element as (parent > child). Check the View Source to see the raw html.
30. 77. 8. parents(expr) gets elements containing the unique ancestors
30. 77. 9. Click to find all unique div parent elements of each span.
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