Download Cascade STP bike pictures in one shot from download page after purchase (medium/full)

stp-pictures.js

function download(url, name) {
    fetch(url)
    .then(resp => resp.blob())
    .then(blob => {
        const url = window.URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.style.display = 'none';
        a.href = url;
        a.download = name;
        document.body.appendChild(a);
        a.click();
        window.URL.revokeObjectURL(url);
    })
    .catch(() => alert('Something went wrong.'));
}

var a = Array.from(document.getElementsByTagName("a"));
var full = a.filter(function(x) { return x.innerText == "Full-Sized"; });
medium = a.filter(function(x) { return x.innerText == "Medium"; })

full.map(x => download(x.href, "full" + x.href.substring(x.href.lastIndexOf('/') + 1) + ".jpg"))
medium.map(x => download(x.href, "medium" + x.href.substring(x.href.lastIndexOf('/') + 1) + ".jpg"))