Preview:
function log(fn) {
  return function(actualValue) {
    const modifiedActualValue = `Logged value: ${actualValue}`;
    fn(modifiedActualValue);
  }
}

const logger = log(console.log);

logger('Pera');
//Logged value: Pera
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter