Is there a way to use JavaScript to alter the CSS properties of sibling elements that are adjacent to each other

I am trying to modify the CSS style of directly adjacent siblings when hovering over an element. For example, if I hover over element 4, elements 3 and 5 should have a new CSS class applied.

Check out my JSfiddle to see the expected result and what I have accomplished so far:

http://jsfiddle.net/uxa49myL/5/

$(document).ready(function() {
  $("h1").hover(function() {
    $(this).nextSibling.addClass("siblings");
    $(this).previousSibling.addClass("siblings");
  });
});

Unfortunately, it seems that the nextSibling and previousSibling jQuery functions are not working as I anticipated.

javascriptjquerycss

Answer №1

You have the option to utilize the .next and .prev methods provided by jQuery in your code.

$(document).ready(function() {
  $("h1").hover(function() {
    $(this).siblings().removeClass("siblings")
    $(this).next().addClass("siblings");
    $(this).prev().addClass("siblings");
  });
});
.siblings {
  color:green
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<h1>C</h1>
<h1>A</h1>
<h1>B</h1>

Answer №2

To access the neighboring elements, you will need to utilize the .next() and .prev() functions in JQuery.

$(document).ready(function() {
  $("h1").hover(function(){
    $(this).siblings().removeClass("siblings");
    $(this).next().addClass("siblings");
    $(this).prev().addClass("siblings");
  });
});

Answer №3

Utilize the jQuery methods next and prev to select the adjacent elements, and use siblings to target all sibling elements.

Remember to remove the siblings class from h1 when the mouse exits.

Replace the margins on h1 with padding to prevent flickering problems.

Avoid using the same id for container-inner twice as it is not recommended. Instead, utilize classes.

$("h1").hover(function() {
  $(this).siblings().removeClass("siblings")
  $(this).next().addClass("siblings")
  $(this).prev().addClass("siblings");
}, function() {
  $("h1").removeClass("siblings")
});
#container {
  width: 100vw;
  height: 100vh;
  display: flex;
}

.container-inner {
  width: 50vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

h1 {
  transition: ease all .3s;
  font-size: 1rem;
  margin: 0;
  padding: 6px 0;
}

h1:hover {
  font-size: 2rem;
}

.siblings {
  font-size: 1.5rem;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id='container'>
  <div class="container-inner">
    expected result:
    <img src="https://i.imgur.com/RJS2kHM.png" />
  </div>
  <div class="container-inner">
    result:<br><br>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
    <h1>Heading</h1>
  </div>
</div>

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