console.log in legacy devices

logger.js

// app.js
app.get('/article/log', function (req, res, next) {
	console.log.apply(console, ['------------------------------\nClient log:'].concat(JSON.parse(req.query.messages), ['\n------------------------------']));
});

// client.js
window.console = window.console || {};
window.console.log = function (...messages) {
	fetch && fetch(`/article/log?messages=${JSON.stringify(messages)}`);
}