toggle the outer div along with its corresponding inner div simultaneously

On one of my pages (let's call it "page1"), I have multiple divs, some nested within others. These divs are initially hidden and toggle on when a specific link is clicked (and off when clicked again). To view a nested div, the outer div must be opened first.

An example can be found here

Now, my client wants a link on another page ("page2") to directly open a specific nested div on page1 along with its outer div. How can this be achieved?

By using:

<a href="page1.html#divid5">clickfordivid5</a>

The nested div opens but remains hidden because the outer div is still hidden. Is there a way to toggle both divs with just one link?

Thank you for any help!

Additional information:

This script is being utilized:

<script type="text/javascript"> 

function toggle(id) { 
   var el = document.getElementById(id); 
   if (el.style.display == "block") { 
      el.style.display = "none"; 
   } else {
      el.style.display = "block";
   } 
} 
</script>

Used with:

<a href="javascript:toggle('divid5');">

alongside

<div class="ToggleTarget" id="divid5">

Answer №1

There are numerous efficient methods to achieve this using jQuery, however, I noticed that your website does not utilize the jQuery library.

To accomplish this with vanilla JavaScript, assign a class to all the elements that should be displayed simultaneously. For instance, add a class named same to both the child and its parent div, setting the display property of this class to none (include .same{display:none} in your CSS file). Then, insert the following code at the end of the page containing those divs:

<script type="text/javascript">
    if(window.location.hash.substring(1)){
     var cols = document.getElementsByClassName(window.location.hash.substring(1));
          for(i=0; i<cols.length; i++) {
            cols[i].style.display = 'block';

            }
    }
</script>

In another page, include the hash link as you did before, but with the class that should remain visible:

<a href="page1.html#same">clickfordivid5</a>

This approach should work effectively.

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