Node js throw error

Js throw error

throw new Error('Whoops!')

Node js throw error

FactoryController.prototype.create = function (callback) {
    //The throw is working, and the exception is returned.
    throw new Error('An error occurred'); //outside callback 
    try {
        this.check(function (check_result) {
            callback(check_result);
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}

FactoryController.prototype.create = function (callback) {
    try {
        this.check(function (check_result) {
            //The throw is not working on this case to return the exception to the caller(parent)
            throw new Error('An error occurred'); //inside callback 
        });
    } catch (ex) {
        throw new Error(ex.toString());
    }
}

Source: stackoverflow.com

Throw new error(

try {
  throw new Error('yoooooooo!')
} catch (e) {
  console.error(e)
}

Throw new error(

try {
  throw "I'm Evil"
  console.log("You'll never reach to me", 123465)
} catch (e) {
  console.log(e); // I'm Evil
}

Throw new error(

throw new Error('Whoops!')

Error handling in node js

app.get('/', function (req, res, next) {
  Promise.resolve().then(function () {
    throw new Error('BROKEN')
  }).catch(next) // Errors will be passed to Express.
})

Source: expressjs.com

Similar codes

8 votes217 views3 answers
Error handling in node js
Javascript Node.js
0 vote229 views1 answer
Node promisify without err
Javascript Node.js
0 vote257 views1 answer
Refresh a page in the browser node js
Javascript Node.js
1 vote260 views2 answers
Nodejs request post
Javascript Node.js
1 vote244 views1 answer
Node js sublime text
Javascript Node.js
0 vote234 views2 answers
MongooseError: Operation `users.insertOne()` buffering timed out after 10000ms node js
Javascript Node.js
0 vote214 views1 answer
Nodejs send download file from buffer
Javascript Node.js
0 vote223 views1 answer
Node silent print to themral
Javascript Node.js
0 vote219 views1 answer
Validate password in nodejs
Javascript Node.js
0 vote231 views3 answers
Node base64 svg to png
Javascript Node.js