JSFiddle - React, Tailwind, and code Playground
by arcm111
HTML
<div id="div1" class="divs"></div>
<div id="div2" class="divs"></div>
<div id="div3" class="divs"></div>
<div id="" class="divs"></div>
<div id="div5" class="divs"></div>
JavaScript
var arr = $.map( $(".divs"), function(el){ return $(el).attr("id") } );
console.log(arr);