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

1 vote145 views2 answers
Node get root directory
Javascript Node.js
0 vote88 views1 answer
Await delay in node js
Javascript Node.js
0 vote143 views1 answer
Nodejs version api
Javascript Node.js
4 votes135 views2 answers
How to use static file node js
Javascript Node.js
0 vote146 views1 answer
Node check if running on localhost?
Javascript Node.js
0 vote133 views1 answer
Node js return ID in postgres insert
Javascript Node.js
1 vote97 views1 answer
Nodejs powershell process env
Javascript Node.js
8 votes141 views2 answers
Settimeout node js
Javascript Node.js
0 vote130 views1 answer
Server sent events node js + github
Javascript Node.js
0 vote142 views1 answer
Icon api node js to browser
Javascript Node.js