问题描述
如标题中所述,我想找到类似:contains()
的内容,但要匹配一个完整的字符串。换句话说,它不应该是部分匹配。例如,在这种情况下:
As said in the title, I'd like to find something like :contains()
but to match an exact string. In other words, it shouldn't be a partial match. For example in this case:
<div id="id">
<p>John</p>
<p>Johny</p>
</div>
$(#id:contains('John'))
将匹配 John
和 Johny
,而我只想匹配 John
。
$("#id:contains('John')")
will match both John
and Johny
, while I'd like to match only John
.
提前致谢。
const nodes = [...document.querySelectorAll('#id > *')].filter(node => node.textContent === 'John');
console.log(nodes);
/* Output console formatting */
.as-console-wrapper { top: 0; }
.as-console { height: 100%; }
<div id="id">
<p>John</p>
<p>Johny</p>
</div>
推荐答案
您可以使用过滤器
:
$('#id').find('*').filter(function() {
return $(this).text() === 'John';
});
编辑:正如演出说明一样,如果你碰巧知道你正在搜索的东西的性质(例如,节点是 #id
的直接子节点),使用类似的东西会更有效率 .children()
而不是 .find('*')
。
Just as a performance note, if you happen to know more about the nature of what you're searching (e.g., that the nodes are immediate children of #id
), it would be more efficient to use something like .children()
instead of .find('*')
.
如果你想看到它的实际效果,这里有一个jsfiddle:
Here's a jsfiddle of it, if you want to see it in action: http://jsfiddle.net/Akuyq/
这篇关于jQuery:contains(),但匹配一个确切的字符串的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!