Find all links with csv in the string

find_all_links.js

var extension = prompt("choose an extension? (csv, xls, xlsx, txt, json, xml, shp, zip)");

var div = document.createElement("div");
div.innerHTML = `
<h1>All ${extension} links</h1>

<button id='findAllLinkBut${extension}'>Find all ${extension} links</button>

<details><summary>Click to expand</summary>

<div id='listUrlExtension${extension}'></div>

</details>
`;
document.body.appendChild(div);

div = document.getElementById(`listUrlExtension${extension}`)
ol = document.createElement("ol");
div.appendChild(ol);


// Asignar un controlador de eventos al botón
button = document.getElementById(`findAllLinkBut${extension}`)
button.addEventListener("click", function() {
    var links = document.getElementsByTagName("a");
    var host = window.location.host;

    for (var i = 0; i < links.length; i++) {
        var link = links[i];
        // if link contains extension and is not empty
        if (link.getAttribute("aria-label") && link.getAttribute("aria-label").match(extension)) {
            var csvUrl = host + link.getAttribute("href");

            a = document.createElement("a");
            a.href = csvUrl;
            a.text = csvUrl;

            li = document.createElement("li");
            li.appendChild(a);
            ol.appendChild(li);
        }
    }

});