aston,
<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">
.hadden_menu_dao {
display: none;
}
a.open + .redact .hadden_menu_dao {
display: block;
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
$(function() {
$("ul").on("contextmenu", "a.a", function(event) {
event.preventDefault();
$(this).addClass("open")
})
});
</script>
</head>
<body>
<ul id="id" class="display_set">
<li>
<a href="№" title="№" class="a">link1</a>
<span class="redact" id="1">
<div class="hadden_menu_dao">
всякая фигня
</div>
</span>
</li>
<li>
<a href="№" title="№" class="a">link2</a>
<span class="redact" id="2">
<div class="hadden_menu_dao">
всякая фигня
</div>
</span>
</li>
<li>
<a href="№" title="№" class="a">link3</a>
<span class="redact" id="3">
<div class="hadden_menu_dao">
всякая фигня
</div>
</span>
</li>
<li>
<a href="№" title="№" class="a">link4</a>
<span class="redact" id="4">
<div class="hadden_menu_dao">
всякая фигня
</div>
</span>
</li>
</ul>
</body>
</html>