1throw new Error('Whoops!')

1try {
2  throw "I'm Md Abdur Rakib"
3  console.log("You'll never reach to me", 123465)
4} catch (e) {
5  console.log(e); // I'm Md Abdur Rakib
6}

1throw new Exception("Error here");

1FactoryController.prototype.create = function (callback) {
2    //The throw is working, and the exception is returned.
3    throw new Error('An error occurred'); //outside callback 
4    try {
5        this.check(function (check_result) {
6            callback(check_result);
7        });
8    } catch (ex) {
9        throw new Error(ex.toString());
10    }
11}
12
13FactoryController.prototype.create = function (callback) {
14    try {
15        this.check(function (check_result) {
16            //The throw is not working on this case to return the exception to the caller(parent)
17            throw new Error('An error occurred'); //inside callback 
18        });
19    } catch (ex) {
20        throw new Error(ex.toString());
21    }
22}

1try {
2  throw new Error('Whoops!')
3} catch (e) {
4  console.error(e.name + ': ' + e.message)
5}
6

1  if (..condition..) {
2    throw 'Error message';
3  }