<div>
<p>内容<span>我不获取的内容</span>内容</p>
</div>
var str = $('div p').contents().filter(function (index, content) {
return content.nodeType === 3;
}).text();
<div>
<p>内容<span>我不获取的内容</span>内容</p>
</div>
var str = $('div p').contents().filter(function (index, content) {
return content.nodeType === 3;
}).text();