Cross-browser logging method
From javascript ninja book
by dandoyon
JavaScript
function log() {
try {
console.log.apply(console, arguments);
} catch(e) {
try {
opera.postError.apply(opera, arugments);
} catch(e) {
alert(Array.prototype.join.call(arguments, " "));
}
}
}
log("my log entry"); // open up your browser's developer tools and look at console