What is the best way to instruct Javascript to target the second element using an ID that is not unique?

I need to define a paired list within my automation framework by passing two parameters, the DOM ID of the "Available" items list and the DOM ID of the "Selected" items list.

var pairedList: newPairedList("availableItemsListID", "selectedItemsListID");

In my current scenario, both availableItemsListID and selectedItemsListID have the same ID in the DOM - 'x-fieldset-bwrap'. I have attempted to differentiate between them by specifying that availableItemsListID is the first instance of the ID, and selectedItemsListID is the second:

var pairedList: newPairedList("/x-fieldset-bwrap/[0]", "/x-fieldset-bwrap/[1]");

While it successfully locates availableItemsList, it fails to find selectedItemsList. Any advice on how to resolve this issue would be greatly appreciated!

Thank you!

javascriptregex

Answer №1

To efficiently select multiple elements that match a specific CSS selector, you can utilize the document.querySelectorAll method.

For example, using 

document.querySelectorAll("#x-fieldset-bwrap")
will target all elements in the DOM with an id of x-fieldset-bwrap.

If possible, it's recommended to redesign your system to prevent the generation of elements with duplicate IDs simultaneously within the document structure.

Answer №2

If you are able to identify the difference between the first and second elements, you can utilize that variance in your selection process. Refer to the example below:

 function showContent($div) {
  console.log($div.html());
}

showContent($('#distinct'));
$('#unique').addClass('firstUnique');
showContent($('#unique:not(.firstUnique)'));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
<div id="distinct">One</div>
<div id="distinct">Two</div>

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