Browser does not reflect changes made in VS Angular 2

As I delve into learning Angular2, I encountered an issue. The initial run of my project was successful. However, when making changes according to the tutorial, none of the modifications were reflected when I run the project in any browser!

Here is a snippet from my "app.component.ts":

import {Component} from 'angular2/core';

@Component({
    selector: 'my-app',
    template: '<h1>Testing...</h1>'
})

export class AppComponent {
  title = 'Tour of Heroes';
}

The above code displays fine in any browser, but when I switch to this:

import {Component} from 'angular2/core';

@Component({
    selector: 'my-app',
    template: '<h1>{{title}}</h1>'
})

export class AppComponent {
  title = 'Tour of Heroes';
}

It still shows "Testing...". It should display "Tour of Heroes". Why is this happening?

All other files are identical to the tutorial!

Ps.: I have confirmed the installation of "node and npm"!

[User @PankajParkar mentioned the need for editing "System.config"] Here is the snippet from my index.html, similar to the tutorial in Angular2:

<script>
    System.config({
      packages: {
        app: {
          format: 'register',
          defaultExtension: 'js'
        }
      }
    });
    System.import('app/main').then(null, console.error.bind(console));
  </script>

Answer №1

Dealing with this particular issue has been quite frustrating, but I finally found a solution that worked for me.

To start, open your browser and press F12 to access the Developer Tools. Disable the cache following the steps outlined below:

https://i.sstatic.net/3IAAo.png

Additionally, I needed to insert the following section just above the <head> tag in the web.config file to effectively disable caching:

<location path="app">
    <system.webServer>
      <staticContent>
        <clientCache cacheControlMode="DisableCache"/>
      </staticContent>
    </system.webServer>
</location>

Answer №2

I encountered a similar issue while using vs. After searching online for a solution, I couldn't find one. However, I decided to clean my project solution and rebuild it, which ultimately resolved the problem. I recommend giving it a try as it may also help solve your issue.

Answer №3

Every time I begin a new Angular project in VS2017 version 15.1, I encounter the same issue. However, I have discovered a workaround by adjusting the "run target" settings from Default Browser to Chrome and ensuring that IIS Express is selected. This allows the project to launch in a browser window when pressing F5, instead of the default command window.

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