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主页 / 问题 / 964407
Accepted
spoon 100500
spoon 100500
Asked:2020-04-02 15:17:44 +0000 UTC2020-04-02 15:17:44 +0000 UTC 2020-04-02 15:17:44 +0000 UTC

只留下满足条件的元素

  • 772

创建一组新的标记元素,这些标记元素满足子输入 > 0 的条件,即 只留下那些孩子输入大于 0 的“col-”类的父母。

$('#account_calcLayoutGrid12 .row ').find('[class^="col-"]');
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="account_calcLayoutGrid12">
  <div class="row">
    <div class="col-1">
      <div id="wb_account_calcImage2">
        <img src="" id="account_calcImage2" alt="" title="Заголовок1">
      </div>
      <div id="wb_account_calcText19">
        <span id="wb_uid23">Текст1</span>
      </div>
      <input type="number" id="account_calcEditbox1" name="dop1" value="0" spellcheck="false">
      <div id="wb_account_calcText23">
        <span id="wb_uid24"><strong><em>0 руб.</em></strong></span>
      </div>
    </div>
    <div class="col-2">
      <div id="wb_account_calcImage3">
        <img src="" id="account_calcImage3" alt="" title="Заголовок2">
      </div>
      <div id="wb_account_calcText20">
        <span id="wb_uid25">Текст2</span>
      </div>
      <input type="number" id="account_calcEditbox2" name="dop2" value="0" spellcheck="false">
      <div id="wb_account_calcText24">
        <span id="wb_uid26"><strong><em>0 руб.</em></strong></span>
      </div>
    </div>
    <div class="col-3">
      <div id="wb_account_calcImage7">
        <img src="" id="account_calcImage7" alt="" title="Заголовок3">
      </div>
      <div id="wb_account_calcText21">
        <span>Текст3</span>
      </div>
      <input type="number" id="account_calcEditbox4" name="dop3" value="0" spellcheck="false">
      <div id="wb_account_calcText25">
        <span id="wb_uid30"><strong><em>0 руб.</em></strong></span>
      </div>
    </div>
    <div class="col-4">
      <div id="wb_account_calcImage6">
        <img src="" id="account_calcImage6" alt="" title="Заголовок4">
      </div>
      <div id="wb_account_calcText22">
        <span id="wb_uid31">Текст4</span>
      </div>
      <input type="number" id="account_calcEditbox5" name="dop4" value="0" spellcheck="false">
      <div id="wb_account_calcText26">
        <span id="wb_uid32"><strong><em><span class="priceDop">0</span> руб.</em>
        </strong>
        </span>
      </div>
    </div>
  </div>
</div>

jquery
  • 2 2 个回答
  • 10 Views

2 个回答

  • Voted
  1. Best Answer
    De.Minov
    2020-04-02T17:36:06Z2020-04-02T17:36:06Z

    所以?

    $('#www').on('click', function() {
      $('#account_calcLayoutGrid12 .row ').find('[class^="col-"]').each(function() {
        let inputVal = $(this).find('input[type="number"]').val();
        if (inputVal > 0) {
          console.info($(this).attr('class') + ' имеет input со значением > 0');
          $(this).css('background', 'yellow');
        }
      });
    });
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
    <div id="account_calcLayoutGrid12">
      <div class="row">
        <div class="col-1">
          <div id="wb_account_calcImage2">
            <img src="" id="account_calcImage2" alt="" title="Заголовок1">
          </div>
          <div id="wb_account_calcText19">
            <span id="wb_uid23">Текст1</span>
          </div>
          <input type="number" id="account_calcEditbox1" name="dop1" value="0" spellcheck="false">
          <div id="wb_account_calcText23">
            <span id="wb_uid24"><strong><em>0 руб.</em></strong></span>
          </div>
        </div>
        <div class="col-2">
          <div id="wb_account_calcImage3">
            <img src="" id="account_calcImage3" alt="" title="Заголовок2">
          </div>
          <div id="wb_account_calcText20">
            <span id="wb_uid25">Текст2</span>
          </div>
          <input type="number" id="account_calcEditbox2" name="dop2" value="0" spellcheck="false">
          <div id="wb_account_calcText24">
            <span id="wb_uid26"><strong><em>0 руб.</em></strong></span>
          </div>
        </div>
        <div class="col-3">
          <div id="wb_account_calcImage7">
            <img src="" id="account_calcImage7" alt="" title="Заголовок3">
          </div>
          <div id="wb_account_calcText21">
            <span>Текст3</span>
          </div>
          <input type="number" id="account_calcEditbox4" name="dop3" value="0" spellcheck="false">
          <div id="wb_account_calcText25">
            <span id="wb_uid30"><strong><em>0 руб.</em></strong></span>
          </div>
        </div>
        <div class="col-4">
          <div id="wb_account_calcImage6">
            <img src="" id="account_calcImage6" alt="" title="Заголовок4">
          </div>
          <div id="wb_account_calcText22">
            <span id="wb_uid31">Текст4</span>
          </div>
          <input type="number" id="account_calcEditbox5" name="dop4" value="0" spellcheck="false">
          <div id="wb_account_calcText26">
            <span id="wb_uid32"><strong><em><span class="priceDop">0</span> руб.</em>
            </strong>
            </span>
          </div>
        </div>
      </div>
    </div>
    
    <input id="www" type="button" value="пересчитать">

    • 1
  2. Grundy
    2020-04-02T19:02:26Z2020-04-02T19:02:26Z

    要按条件选择,您可以使用 方法filter,该方法仅将满足条件的元素留在集合中:

    $('#account_calcLayoutGrid12 .row ').find('[class^="col-"]').filter((_, el)=> $(el).find('input').val() > 0);
    
    • 1

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