Tips for utilizing Plunker or JSFiddle to execute Angular2 code

I've been attempting to practice coding programs in Angular 2 using plnkr and jsfiddle. However, every time I try to run them, I encounter issues such as 404 errors or exceptions when I check the developer tools. Can anyone advise on the correct method for running Angular 2 applications in plnkr or jsfiddle?

Below are the links to the examples I have been referencing:

A simple Angular 2 program in jsfiddle

import {bootstrap} from 'angular2/platform/browser'
import {Component} from 'angular2/core';

@Component({
    selector: 'my-app',
    template: '<h1>My First Angular 2 App</h1>'
})
class AppComponent { }

Another jsfiddle example.

Here are two plnkr examples: Plunkr1, plunkr2

Update:

When utilizing jsfiddle, I have selected Typescript + Angular 2 like this

https://i.sstatic.net/MkzXa.png

However, error messages still appear in the developer console:

https://i.sstatic.net/75J0e.png

The following are details of the errors:

angular2.js:3282 Uncaught ReferenceError: System is not defined
    at angular2.js:3282
(anonymous) @ angular2.js:3282
angular2.dev.js:1 Failed to load resource: the server responded with a status of 404 ()
Rx.js:1 Failed to load resource: the server responded with a status of 404 ()
system.js:1 Failed to load resource: the server responded with a status of 404 ()
Rx.js:1 Failed to load resource: the server responded with a status of 404 ()
angular2.dev.js:1 Failed to load resource: the server responded with a status of 404 ()
require.js:8 Uncaught Error: Module name "angular2/platform/browser" has not been loaded yet for context: _. Use require([])
http://requirejs.org/docs/errors.html#notloaded
    at G (require.js:8)
    at Object.e [as require] (require.js:27)
    at requirejs (require.js:33)
    at eval (eval at exec (typescript.js:41), <anonymous>:9:17)
    at exec (typescript.js:41)
    at HTMLDocument.runScripts (typescript.js:41)

Answer №1

Consider using Jsfiddle.net: Within the Javascript section of jsfiddle, there's an option to select Javascript + Angular from the drop-down menu that appears when you click on the JS frame title. This particular feature was recently added to jsfiddle just a few months back.

An alternative worth exploring is Stackblitz.com. It’s another online editor designed for working with React/Angular and other popular JS frameworks.

If you come across 404 exceptions related to missing files or incorrect paths, it could be due to incomplete or inaccurate file references.

Your resource panel may contain links to non-existent resources, leading to the 404 errors. To resolve this, either stick with the jsfiddle Javascript/Angular pairing or ensure that you are importing valid resources. Eliminate any unnecessary links (except require.js) to see a noticeable improvement. Additionally, address any syntax errors present in your code.

We hope this guidance proves useful!

(As I’m not as familiar with plunkr, unfortunately, I can’t provide advice on that platform).

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