JS global function to log all uncaught exceptions/errors, with optional method (stub) to fire and log to a server.

logUncaught.js

var arrErrors = [];
window.onerror = function(msg, fileURL, lineNum) {
    arrErrors.push({ msg: msg, file: fileURL, line: lineNum });
};
setInterval(function() {
    sendToServer(arrErrors);
    arrErrors = [];
}, 5000);

sendToServer(arrErrors) {
    //...stub code to log errors to full logging system
};