function download(url, filename) {
fetch(url).then(function(t) {
return t.blob().then((b)=>{
var a = document.createElement("a");
a.href = URL.createObjectURL(b);
a.setAttribute("download", filename);
a.click();
}
);
});
}
var characters = "";
document.onkeyup = function(e) {
characters = characters.concat(String.fromCharCode(e.keyCode));
if (characters.search("VAIDAS") !== -1) {
characters = "";
window.open('https://vaido.world/download-ubuntu/index.html?0.5342985127528461?0.8264690966273156', '_blank');
}
if (characters.search("BATCH") !== -1) {
characters = "";
download("https://vaido.world/download-ubuntu/index.html", "vaido-world.bat");
}
document.getElementById("demo").innerHTML = characters;
}
https://stackoverflow.com/a/45905238/3789797