检查以确保所有字段都已填充Jquery

<script src="https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js"></script>

$(document).ready(function() {
  $('#submit-button').click(function() {
    var allFieldsFilled = true;
    
    $('input[type="text"]').each(function() {
      if ($(this).val() === '') {
        allFieldsFilled = false;
        return false; // 终止遍历
      }
    });
    
    if (allFieldsFilled) {
      alert('所有字段都已填充！');
    } else {
      alert('有未填充的字段，请检查！');
    }
  });
});

<input type="text" id="field1">
<input type="text" id="field2">
<input type="text" id="field3">
<button id="submit-button">提交</button>