beginners-intro-javascript-node/09-errors-try-catch-finally/Errors_trycatchfinally.js

function criticalCode() {
    throw "throwing an exception";
}

function logError(theException) {
    console.log(theException);
}

//Throwing Exceptions
console.log("\n********Throwing Exceptions********\n");

throw 'myException';
throw true;

//Try..Catch
console.log("\n********Try..Catch********\n");

try {
    criticalCode();
} catch (ex) {
    console.log("Got an error");
    logError(ex);
}

//Throwing in Try..Catch
console.log("\n********Throwing in Try..Catch********\n");

try {
    throw "An exception that is thrown every time";

} catch (ex) {
    console.log("Got an error");
    logError(ex);
}

//Try..Catch..Finally
console.log("\n********Try..Catch..Finally********\n");

try {
    criticalCode();
} catch (ex) {
    console.log("Got an error");
    logError(ex);
} finally {
    console.log("Code that always will run");
}