Locate the class within the entire page and eliminate a different div

I'm facing an issue where I need to remove the .box class when the .test div is added with the .active class. I've attempted to do this but it doesn't seem to be working. Can anyone provide some insight into what might be causing this problem? Any help would be greatly appreciated.

$(document).ready(function() {
  $(".test").on('click', function(e) {
    e.preventDefault();
    $('.test.active').removeClass('active');
    $(this).addClass('active');
  });
  /* want to achieve this */
  /*if ($('.test').hasClass('.active')) {
    $('.box').css("opacity", "0");
  }*/
});
$(window).load(function() {
  $(window).scroll(function() {
    $(".box").animate({
      'top': '230px'
    }, 2000);
  });
});
.box {
  position: absolute;
  top: 0;
  width: 50px;
  height: 50px;
  background-color: red;
  margin: 0 auto;
  position: absolute;
  top: 2%;
  left: 50%;
}

.test.active {
  color: red;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
<div class="wrap">
  <div class="box"></div>
  <div class="testl">
    <div class="test">paragraph1</div>
    <div class="test">paragraph1</div>
    <div class="test">paragraph1</div>
  </div>
  <div class="testp"></div>
</div>

Answer №1

The hasClass method specifically targets the matched element itself, not any nested elements within it. Therefore, when checking if the body tag has a certain class, ensure you are referring to the correct elements with the test class.

if($('.test').hasClass('active')){
    $('.box').css("opacity", "0");
}

This code snippet essentially reinforces what was previously mentioned. It hides the box element only if an element with the test class also possesses the active class.

Let's delve deeper into understanding the functionality you wish to achieve:

$(document).ready(function() {
  $(".test").on('click', function(e) {
    e.preventDefault(); //no default action needs prevention here
    $('.test').removeClass('active'); //remove active class if any test elements have it
    $(this).addClass('active');
    $('.box').css("opacity", "0");
  });

});
$(window).load(function() {
  $(window).scroll(function() {
    $(".box").animate({
      'top': '230px'
    }, 2000);
  });
});
.box {
  position: absolute;
  top: 0;
  width: 50px;
  height: 50px;
  background-color: red;
  margin: 0 auto;
  position: absolute;
  top: 2%;
  left: 50%;
}

.test.active {
  color: red;

}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0/jquery.min.js"></script>
<div class="wrap">
  <div class="box"></div>
  <div class="testl">
    <div class="test">paragraph1</div>
    <div class="test">paragraph1</div>
    <div class="test">paragraph1</div>
  </div>
  <div class="testp"></div>
</div>

<p>Lorem Ipsum is simply dummy text ... (truncated for brevity)

Answer №2

$(".clickable").on('tap', function(event) {
    event.stopDefault();
    $('.clickable.active').removeAttribute('active');
    $(this).addAttribute('active');  // ----- this ensures that the clicked element has the active status
     $('.container').style.setProperty("opacity", "0"); //--- perform actions after this
});

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