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

0 vote159 views1 answer
Stop python script nodejs
Javascript Node.js
8 votes155 views2 answers
How to cookie set in node js
Javascript Node.js
0 vote89 views1 answer
Como instalar o nodejs no linux
Javascript Node.js
1 vote170 views2 answers
Nodejs get all folders in directory
Javascript Node.js
14 votes131 views1 answer
Node console colors
Javascript Node.js
0 vote147 views2 answers
Add to dictionary node js
Javascript Node.js
13 votes169 views4 answers
Writefile in node js
Javascript Node.js
17 votes149 views3 answers
Read json file node js
Javascript Node.js
1 vote149 views2 answers
Nodejs json beautify
Javascript Node.js
-1 vote162 views1 answer
Node js to check 32 bit
Javascript Node.js