jQuery 选择指定字符串的范围

Question

我正在尝试计算"is"的数量，直到 :contains(certain sring) 指定的特定范围内。我基本上只是想搜索这组问题的前半部分，看看有多少个是。这是我尝试过的代码:

<div class="ce-modal-container">
    <div class="ce-cf-container">
      <span class="ce-cf-html-label">Have you chosen your exit path and/or successor?:</span>
      <span class="ce-cf-html-field"> Yes</span>
    </div>
    <div class="ce-cf-container">
      <span class="ce-cf-html-label">Have you chosen your exit path and/or successor?:</span>
      <span class="ce-cf-html-field"> No</span>
    </div>
    <div class="ce-cf-container">
      <span class="ce-cf-html-label">Have you done well this quarter?:</span>
      <span class="ce-cf-html-field"> No</span>
    </div>
    <div class="ce-cf-container">
      <span class="ce-cf-html-label">Have you chosen your exit path and/or successor?:</span>
      <span class="ce-cf-html-field"> Yes</span>
    </div>
    <div class="ce-cf-container">
      <span class="ce-cf-html-label">Have you chosen your exit path and/or successor?:</span>
      <span class="ce-cf-html-field"> Yes</span>
    </div>
</div>

<script>
var spanYes = $("span.ce-cf-html-field:contains('Yes')"),
    secondHalf = $("span.ce-cf-html-label:contains('done well')"),
    searchtxtall = spanYes.length;
    searchFirstHalf = $(".ce-cf-container").nextUntil(secondHalf).spanYes.length;
console.log(searchtxtall); //should return 3
console.log(searchFirstHalf); //should return 1
</script>

提前致谢，我知道代码很多。

Answer 1

一些事情:

• 您拼错了“容器”
• 为什么要.nextUntil().spanYes？ .spanYes 没有意义/什么也不做

• .nextUntil 可与同级一起使用，但 .ce-cf-container 是容器。尝试:

  $(".ce-cf-container span").nextUntil(secondHalf).is(spanYes);