JSFiddle - React, Tailwind, and code Playground
by ponyspy
HTML
<div class="alert-01"></div>
CSS
.alert-01 {
background: url('img/alert-01.jpg') center no-repeat;
}
JavaScript
var bg = $('.alert-01').css('background-image');
bg = /^url\((['"]?)(.*)\1\)$/.exec(bg);
bg = bg ? bg[2] : false;
if(bg) {
alert(bg);
}