JSFiddle - React, Tailwind, and code Playground
by wirey00
HTML
<ul id="content_0_leftcolumn_0_Attachments_RadAsyncUploadListContainer" class="ruInputs">
<li>
<span class="ruFileWrap ruStyled">
<span class="ruUploadProgress ruUploadSuccess">test file (above 5mb).zip</span>
</span>
<input class="ruButton ruRemove" type="button" name="RowRemove" value="Remove" tabindex="-1">
DIV GOES HERE
</li>
</ul>
<ul id="content_0_leftcolumn_0_Attachments_RadAsyncUploadListContainer" class="ruInputs">
<li>
<span class="ruFileWrap ruStyled">
<span class="ruUploadProgress ruUploadSuccess">test file (above 5mb).zip</span>
</span>
<input class="ruButton ruRemove" type="button" name="RowRemove" value="Remove" tabindex="-1">
DIV GOES HERE
</li>
</ul>
<ul id="content_0_leftcolumn_0_Attachments_RadAsyncUploadListContainer" class="ruInputs">
<li>
<span class="ruFileWrap ruStyled">
<span class="ruUploadProgress ruUploadSuccess">test file (above 5mb).zip</span>
</span>
<input class="ruButton ruRemove" type="button" name="RowRemove" value="Remove" tabindex="-1">
DIV GOES HERE
</li>
</ul>
JavaScript
$('input[type=button]').click(function(e) {
e.preventDefault();
var $li = $("span.ruUploadSuccess").parent().parent();
$li.eq(0).append('<div> testing only </div>');
$li.not($li.has("div.contactUsAttachmentFileSize")).css('color','red');
});