如果将鼠标悬停在第一支铅笔上，您可以看到工具提示出现，但它是隐藏的。
我怎样才能让所有工具提示显示在其他所有内容之上？
相关代码
$('.nav-text').on('click', null, function () {
alert('heyo');
});
$('.nav-text').tooltip({
'placement': 'right',
'title': 'heyo'
});
完整示例
$('.down').click(function() {
var $move = $('.side-study-box ul');
$move.css({
top: '-=20px'
})
})
$('.up').click(function() {
var $move = $('.side-study-box ul');
$move.css({
top: '+=20px'
})
})
$('.nav-text').on('click', null, function() {
alert('heyo');
});
$('.nav-text').tooltip({
'placement': 'right',
'title': 'heyo'
});
.side-study-box {
background-color: white;
color: black;
border: 1px solid #3D6AA2;
text-align: center;
height: 160px;
display: table !important;
margin: 0px !important;
margin-left: -1px !important;
}
.side-study-box .viewport {
height: 120px;
overflow: hidden;
position: relative;
}
.side-study-box span {
position: relative;
width: 100%;
font-size: 24px;
display: table-cell;
vertical-align: middle;
}
.side-study-box textarea {
position: relative;
height: 195px;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
width: 100%;
margin: auto;
font-size: 18px;
font-family: Consolas, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New;
display: table-cell;
vertical-align: middle;
resize: none;
}
.side-study-box i {
margin: 0px !important;
padding-right: 1px;
}
.side-study-box .side-box-menu {
border-right: 1px solid #335987;
width: 28px;
text-align: center;
height: 100%;
}
.side-box-menu-nav {
display: inline-block;
cursor: pointer;
text-decoration: none !important;
margin: 0px;
width: 100%;
background-color: #3D6AA2;
color: white;
}
.side-box-menu-nav:hover {
background-color: #335987 !important;
color: white !important;
}
.side-study-box ul {
list-style-type: none;
margin: 0px;
margin-left: -1px !important;
padding: 0px;
padding-right: 2px;
height: 100%;
color: #335987;
position: absolute;
top: 0;
}
.side-study-box ul li {
margin: 0px;
}
.side-study-box ul li :hover {
color: black;
}
.side-study-box ul li a {
padding-left: 3px;
cursor: pointer;
text-decoration: none;
display: inline-block;
margin: 0px;
color: gray;
}
.side-study-box ul li a .side-box-menu-control {
padding-top: 3px;
height: 23px;
}
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.1/css/bootstrap.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/2.3.1/js/bootstrap.min.js"></script>
<div class="span4 side-study-box">
<div class="side-box-menu"> <a class="side-box-menu-nav up"><i class="icon-chevron-up icon-white"></i></a>
<div class='viewport'>
<ul>
<li><a class="side-box-menu-control"><i class="icon-facetime-video "></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-picture"></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-headphones "></i></a>
</li>
<li><a class="side-box-menu-control nav-text"><i class="icon-pencil "></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-pencil "></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-pencil "></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-pencil "></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-hdd"></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-hdd"></i></a>
</li>
<li><a class="side-box-menu-control"><i class="icon-hdd"></i></a>
</li>
</ul>
</div><a class="side-box-menu-nav down"><i class="icon-chevron-down icon-white"></i></a>
</div>
</div>
只需将工具提示位置设置为fixed， 像这样：
.tooltip {
position: fixed;
}
See 工作演示 http://jsfiddle.net/kvfFv/5/
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