$("div:contains('我')选取含有文本"我"的<div>元素
node2:/var/www/html/js#cat t6.html
<div>测试</div>
<div>你</div>
<div>可我心</div>
<script type="text/javascript" src="jquery-2.2.2.min.js"></script>
<script type="text/javascript" src="t6.js"></script>
node2:/var/www/html/js#cat t6.html
<div>测试</div>
<div>你</div>
<div>可我心</div>
<script type="text/javascript" src="jquery-2.2.2.min.js"></script>
<script type="text/javascript" src="t6.js"></script>
node2:/var/www/html/js#cat t6.js
$("div:contains('我')").css("background", "red");