JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" class="ThumbLink" value="Test" id="btnTest"/>

JavaScript

$('#btnTest').on("click", function () {

            var thumbUrl = "http:localhost/File/Modules/FileManager/Library/1041323042_12.jpg";
            var arrurl = thumbUrl.split("");
            var i;
            var result;
            for (i = 0; i < arrurl.length - 1; i++) {
                result += arrurl[i] + '/';
            }
            alert(result);
 });