HTML超出文本多行截取实现原理及代码

<div class="sytm-text-1">
<p>
狼蚁SEO 网址https://.jb51.
</p>
</div>
<div class="sytm-text-2">
<p>
狼蚁SEO 网址https://.jb51.
</p>
</div>

.sytm-text-1 {
color: #FFF;
background: #000;
width: 410px;
height: 22px;
}
.sytm-text-2 {
color: #FFF;
background: #000;
width: 410px;
height: 44px;
}
p {
line-height: 22px;
}

$("div[class='sytm-text']").each(function(e){
var divHeight = $(this).height();
var $p = $("p", $(this)).eq(0);
while ($p.outerHeight() > divHeight) {
$p.text($p.text().replace(/(\s)([a-zA-Z0-9]+|\W)(\.\.\.)?$/, "..."));
};
});