Launch download in the same tab without opening new tab or window in Javascript

Question

I am using this javascript function to launch download

function startDownload(url) {
   window.open(url, \'Download\');
}

It works, but i

Answer 1

window.open will open a new window \ tab (depending on user preferences) ... to just download the file use

window.location.href = url;

You can use this if the url returns a downloadable file rather than a web page