javascript download file

                                    function download(link) {
  var element = document.createElement('a');
  element.setAttribute('href', link);

  element.style.display = 'none';
  document.body.appendChild(element);

  element.click();

  document.body.removeChild(element);
}

                                    $('a#someID').attr({target: '_blank', 
                    href  : 'http://localhost/directory/file.pdf'});

                                    browser.downloads.download({url: "https://example.org/image.png"})

                                    const fs = require('fs');
const https = require('https');
  
// URL of the image
const url = 'GFG.jpeg';
  
https.get(url,(res) => {
    // Image will be stored at this path
    const path = `${__dirname}/files/img.jpeg`; 
    const filePath = fs.createWriteStream(path);
    res.pipe(filePath);
    filePath.on('finish',() => {
        filePath.close();
        console.log('Download Completed'); 
    })
})

                                    import urllib.request

print('Beginning file download with urllib2...')

url = 'http://i3.ytimg.com/vi/J---aiyznGQ/mqdefault.jpg'
urllib.request.urlretrieve(url, '/Users/scott/Downloads/cat.jpg')