This simple logging method works in all modern browsers

[JS] All browsers log method

function log() {
	try {
		// tries to log the message using the most common method
		console.log.apply(console, arguments);

	} catch(e) {
		// catches any failure in logging
		try {
			// tries to log the Opera way
			opera.postError.apply(opera, arguments);
		
		} catch(e) {
			// uses alert if all else fails
			alert(Array.prototype.join.call(arguments, " "));
		}

	}
}