how to give multiple ids in jquery selector code example

Example 1: multiple elements with same id jquery

<div id="x1">A</div>
<div id="x1">B</div>
<div id="x2">C</div>

<script>
	console.log($('[id="x1"]'));
</script>

Example 2: select multiple id in jquery

$("#upload_link,#upload_link2,#upload_link3").upload(function(){ });