"Text lines (without white-space : nowrap) size (length) Javascript"
Bootstrap 4.1.1 Snippet by blackgirl

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<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<div id="dash">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Proin nisi ligula, dapibus a volutpat sit amet,
mattis et dui. Nunc porttitor accumsan orci id luctus.
Phasellus ipsum metus, tincidunt non rhoncus id, dictum a lectus.
Nam sed ipsum a urna acquam.</p>
</div>
</div>
</div>
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#dash {
width: 400px;
height: 60px;
overflow: hidden;
}
#dash p {
padding: 10px;
margin: 0;
}
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var p = $('#dash p');
var ks = $('#dash').height();
while ($(p).outerHeight() > ks) {
$(p).text(function(index, text) {
return text.replace(/\W*\s(\S)*$/, '...');
});
}
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