检查是否填写了所有输入以删除禁用属性

Question

我想检查所有输入是否都有一个值，如果有的话，而不是删除按钮上的 disabled 属性。

下面我插入了一个代码 sn-p， 但是当只有一个输入具有值时，这会删除该属性。

 $(".follow-url-inputs").each(function(index, item) {
      $(item).change(function() {
        var empty = $(this).filter(function() {
          return this.value === "";
        });
        if (empty.length) {
          console.log("all fiels filled in");
        } else {
          $('.fs_btn-save').removeAttr('disabled')
        }
      });
    });

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="follow-inputs text-center px-5">
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-facebook"></i>
              </span>
            </div>
            <input id="facebook" class="form-control follow-url-inputs" name="facebook" placeholder="https://facebook.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br>
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-linkedin"></i>
              </span>
            </div>
            <input id="linkedin" class="form-control follow-url-inputs" name="linkedin" placeholder="https://linkedin.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br>
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-twitter"></i>
              </span>
            </div>
            <input id="twitter" class="form-control follow-url-inputs" name="twitter" placeholder="https://twitter.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br></div>
          
          <div class="text-center">
                                <button class="btn btn-primary fs_btn-primary fs_btn-save" disabled onclick="setupFollowButtons()">Save</button>
                            </div>

有人可以帮我检查所有输入是否都有值，然后删除 disabled 属性。

Answer 1

逻辑有点倒退。您想过滤每个变化中的所有输入。您当前的代码仅过滤更改的代码

var $inputs = $(".follow-url-inputs").change(function() {

  var inValid = $inputs.filter(function() {
    return !this.value.trim();
  }).length;

  $('.fs_btn-save').prop('disabled', inValid)

  if (!inValid) {
    console.log("all fiels filled in");
  }     
});

Answer 2

使用jquery map 方法。这将给出一个对象，如果任何字段为空，它将有一个键，该键将以 true 作为值。

在执行Object.values 时，它将返回一个包含所有值的数组，并检查它是否有true，这意味着任何一个字段为空，在这种情况下，可以取消按钮状态

还将change 更改为keyup

$(".follow-url-inputs").keyup(function() {
  let m = $(".follow-url-inputs").map(function(item) {
    return $(this).val() === ""
  })
  // map will give an object
  // if any input is empty it will contain true
  if (Object.values(m).indexOf(true) !== -1) {
    console.log("all fiels filled in");
  } else {
    $('.fs_btn-save').removeAttr('disabled')
  }
})

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="follow-inputs text-center px-5">
  <div class="input-group px-5">
    <div class="input-group-prepend">
      <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-facebook"></i>
              </span>
    </div>
    <input id="facebook" class="form-control follow-url-inputs" name="facebook" placeholder="https://facebook.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
  </div><br>
  <div class="input-group px-5">
    <div class="input-group-prepend">
      <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-linkedin"></i>
              </span>
    </div>
    <input id="linkedin" class="form-control follow-url-inputs" name="linkedin" placeholder="https://linkedin.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
  </div><br>
  <div class="input-group px-5">
    <div class="input-group-prepend">
      <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-twitter"></i>
              </span>
    </div>
    <input id="twitter" class="form-control follow-url-inputs" name="twitter" placeholder="https://twitter.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
  </div><br></div>

<div class="text-center">
  <button class="btn btn-primary fs_btn-primary fs_btn-save" disabled onclick="setupFollowButtons()">Save</button>
</div>

Answer 3

试试这个

$(".follow-url-inputs").each(function(index, item) {
      $(item).change(function() {
        var isEmpty = true;
        $('input').each(function() {
            if ($.trim($(this).val()) == '') {
                isEmpty = true;
            }
            else {
                isEmpty = false;
            }
        });
        if (isEmpty) {
          console.log("isAllEmpty: "+ isEmpty);
        } else {
          $('.fs_btn-save').removeAttr('disabled')
          console.log("isAllEmpty: "+ isEmpty);
        }
      });
    });

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="follow-inputs text-center px-5">
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-facebook"></i>
              </span>
            </div>
            <input id="facebook" class="form-control follow-url-inputs" name="facebook" placeholder="https://facebook.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br>
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-linkedin"></i>
              </span>
            </div>
            <input id="linkedin" class="form-control follow-url-inputs" name="linkedin" placeholder="https://linkedin.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br>
          <div class="input-group px-5">
            <div class="input-group-prepend">
              <span class="input-group-text" id="basic-addon1">
                <i class="fab fa-twitter"></i>
              </span>
            </div>
            <input id="twitter" class="form-control follow-url-inputs" name="twitter" placeholder="https://twitter.com/followURL" data-com.agilebits.onepassword.user-edited="yes">
          </div><br></div>
          
          <div class="text-center">
                                <button class="btn btn-primary fs_btn-primary fs_btn-save" disabled onclick="setupFollowButtons()">Save</button>
                            </div>