Title rewrite: dropdown toggle limited to selecting first value
P粉511749537
P粉511749537 2024-02-26 10:09:52
0
1
409

I've made a dropdown that toggles successfully, but it only seems to select the first class, and when I click the second dropdown, it toggles the contents of the first dropdown. Am I missing something here? This is my code:

const menuListDropdown = document.querySelectorAll('.menu-block-dropdown');
const menuBlock = document.querySelector('.menu-block');

menuListDropdown.forEach((menuBlockList) => {
  menuBlockList.addEventListener('click', function() {
    menuBlock.classList.toggle('menu-block-active');
  })
})
.menu-block {
  background: #fff;
  box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 5px 0px, rgba(0, 0, 0, 0.1) 0px 0px 1px 0px;
  padding: 15px;
  border-radius: 8px;
  position: absolute;
  top: 35px;
  opacity: 0;
  transition: 150ms ease;
}

.menu-block-active {
  transition: 150ms all;
  opacity: 1;
}

.menu-block-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.menu-block-list a {
  color: #444444;
  margin: 0 0 0.25 0;
  padding: 0;
  font-weight: 500;
}
<li class="menu-block-dropdown">
  <a href="#">Resources</a>
  <div class="menu-block">
    <div class="menu-block-list">
      <a href="#">Dropdown 1</a>
      <a href="#">Dropdown 2</a>
    </div>
  </div>
</li>
<li class="menu-block-dropdown">
  <a href="#">Blogs</a>
  <div class="menu-block">
    <div class="menu-block-list">
      <a href="#">Dropdown 3</a>
      <a href="#">Dropdown 4</a>
    </div>
  </div>
</li>

P粉511749537
P粉511749537

reply all(1)
P粉141911244

The problem is that you only selected one dropdown. So what you need to do is select the dropdown associated with the menu link you clicked.

See below the changes I made in JS

const menuListDropdown = document.querySelectorAll('.menu-block-dropdown');

// Not needed
// const menuBlock = document.querySelector('.menu-block');

menuListDropdown.forEach((menuBlockList) => {
  menuBlockList.addEventListener('click', function() {
    // Select the Block within the Target List
    const menuBlock = menuBlockList.querySelector(".menu-block");
    menuBlock.classList.toggle('menu-block-active');
  })
})
.menu-block {
  background: #fff;
  box-shadow: rgba(0, 0, 0, 0.1) 0px 0px 5px 0px, rgba(0, 0, 0, 0.1) 0px 0px 1px 0px;
  padding: 15px;
  border-radius: 8px;
  position: absolute;
  top: 35px;
  opacity: 0;
  transition: 150ms ease;
}

.menu-block-active {
  transition: 150ms all;
  opacity: 1;
}

.menu-block-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.menu-block-list a {
  color: #444444;
  margin: 0 0 0.25 0;
  padding: 0;
  font-weight: 500;
}

li {
  display: inline-block;
}



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