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jquery控制超出2行写省略号

2016-12-15 11:37 387 查看 
</style>
<script type="text/javascript">
$(function () {
$(".figcaption").each(function (i) {
var divH = $(this).height();
var $p = $("p", $(this)).eq(0);
while ($p.outerHeight() > divH) {
$p.text($p.text().replace(/(\s)*([a-zA-Z0-9]+|\W)(\.\.\.)?$/, "..."));
};
});
});
</script>
</head>
<body>
<div class="test_demo">
超酷的IT技术学习平台（我是省略号）大是大非防守打法范德萨发生
</div>
<div class="figcaption">
<p>
You probably can't do it (currently?) without a fixed-width font like Courier. With
a fixed-width font every letter occupies the same horizontal space, so you could
probably count the letters and multiply the result with the current font size in
ems or exs. Then you would just have to test how many letters fit on one line, and
then break it up.</p>
</div>
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