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override overflow:hidden with z-index

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误落风尘
误落风尘 2021-01-11 13:41

Am using coda_bubble jquery plugin, and i need to make my bubble pop out within an overflow hidden div. here is my sample code.



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6条回答
  • 深忆病人
    2021-01-11 14:02

    The z-index property ONLY work in elements that have position option set to absolute or relative.

    In other words you ALWAYS need positon to work with z-index.

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  • 迷失自我
    2021-01-11 14:03

    The z-index property applies to those elements having position set to absolute. Try this css instead:

    .coda_bubble{
  position:absolute;
  z-index:100;/****NOT WORKING*******/
}
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  • 醉话见心
    2021-01-11 14:05

    You can't. overflow: hidden; Hides content outside the element. Period.

    z-index applies to absolute AND relatively positioned elements, just differently, despite what someone else said.

    EDIT You could put some padding-top on that particular div, if you can live with that padding, that is. The div would need to be a little wider, too.

    EDIT 2 As others have stated, though position: relative; and position: absolute; are probably more common, yes, z-index works with position: fixed; also, just not for position: static; I overlooked those.

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  • 野的像风
    2021-01-11 14:10

    I assume you don't need .coda_bubble to be a child of .overflow. If not then move it out and create a positioning div to hold both children.

    <html>
<head>
<title>Override overflow:hidden</title>
<link href="http://www.myjquery.co.uk/jslib/jquery_plugins/coda_bubble/bubble.css" rel="stylesheet" type="text/css" media="all" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.0/jquery-ui.min.js"></script>
<script type="text/javascript" src="http://www.myjquery.co.uk/jslib/jquery_plugins/coda_bubble/jquery.codabubble.js"></script>
<script type="text/javascript">
$(function(){
   opts = {
      distances : [40,40],
      leftShifts : [0,0],
      bubbleTimes : [400,400],
      hideDelays : [0,0],
      bubbleWidths : [200,200],
      bubbleImagesPath : "YOUR RELATIVE PATH TO SKIN FOLDER",
      msieFix : true
   };
   $('.coda_bubble').codaBubble(opts);
});
</script> 
<style type="text/css">
body{
    margin:0;
    padding:0;
    }
#wrapper{
    width:300px;
    margin:200px auto;
    }
.overflow{
    overflow:hidden;
    width:120px;
    height:80px;
    position:absolute; /*May not be needed.*/
    }
.position {
    width:120px;
    height:80px;
    float:left;
}
.coda_bubble{
    /*z-index:100;/****NOT WORKING*******/
    }
</style>
</head>

<body>
<div id="wrapper">
    <div class="position">
        <div class="overflow">
           [overflow content]
        </div>
        <div class="coda_bubble">
            <div>
                <p class="trigger">Trigger Bubble</p>
            </div>
            <div class="bubble_html">
               [BUBBLE CONTENT]
            </div>
        </div>
    </div>

    <div class="position">
        <div class="overflow" style="overflow:">
           [overflow content]
        </div>
        <div class="coda_bubble">
            <div>
                <p class="trigger">Trigger Bubble</p>
            </div>
            <div class="bubble_html">
               [BUBBLE CONTENT]
            </div>
        </div>
    </div>
</div>
</body>
</html>
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  • 暗喜
    2021-01-11 14:15

    I would calculate the offset position from the window, remove it from its parent and attach it to the body.

    Eg:

    var left, top;
left = jQuery(element).offset().left;
top = jQuery(element).offset().top;
jQuery(element)
  .appendTo('body')
  .css({
    'position': 'absolute',
    'left': left + 'px',
    'top': top + 'px'
  });
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  • 南方客
    2021-01-11 14:17

    Just a correction: z-index applies to position: relative, position:absolute AND position:fixed. To answer the original question - there's no way in CSS to make a child of an overflow: hidden element show it's contents outside the parent borders, you must change the hierarchy.

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