try/catch example

try-catch.js

function thisMightFail() {
	//...
	if(badThingsHappened) {
		throw new Error(...);
	}

	return theGoodResult;
}

function recoverFromFailure(e) {
	//...
	return recoveryValue;
}

function getTheResult() {
	
	var result;

	try {
		result = thisMightFail();
	} catch(e) {
		result = recoverFromFailure(e);
	}

	return result;
}