JSFiddle - React, Tailwind, and code Playground

HTML

<ul class="ul_std"  style="float:right">
    <li class="action_buttons" ><a id="button_deleteNormal" class="button_small button_small_red"  >Διαγραφή</a></li>
    <li class="action_buttons"><a id="button_editCancel" class="button_small"  >Ακύρωση Τροποποίησης</a></li>
    <li class="action_buttons"><a id="button_editNormal" class="button_small"  >Τροποποίηση</a></li>
    <li class="action_buttons" style="margin-right:0" ><a id="button_addNormal" class="button_small">Προσθήκη</a></li>
</ul>
<div id="output"></div>

CSS

.button_small { display: inline-block; }

JavaScript

$('ul li a:not(#button_addNormal)').hide();
$('ul li a').show();
    
$('ul li a').each(function() {
    var a = $(this);
    $("#output").html(function(i, h) {
        return h + a.attr("style") + "<br />";
    });
});
    
alert($('ul li:first a').attr("style"));