JSFiddle - React, Tailwind, and code Playground

by naokiota

HTML

<div><a rel="camera_group" href="4.jpg" >img</a></div>
<div><a rel="camera_group" href="1.jpg" >img</a></div>
<div><a rel="camera_group" href="2.jpg" >img</a></div>
<div><a rel="camera_group" href="/sys/upload/save/img.aspx?id=37521">img</a></div>
<div><a rel="camera_group" href="5.jpg" >img</a></div>

JavaScript

var fn = "/sys/upload/save/img.aspx?id=37521";
var index = $("a[rel='camera_group']").index($("a[href='"+fn+"']"));

alert(index);