Get value from TypeScript (.ts) in HTML file.

Question

I'm new to Typescript and HTML. I'm building an Angular2 app and I currently have a TypeScript file that looks like this:

import {Http, Headers} from 'angular2/http';
import {Component} from 'angular2/core';
import {CORE_DIRECTIVES, FORM_DIRECTIVES} from 'angular2/common';
import {Router} from 'angular2/router';
import {Routes} from '../routes.config';

@Component({
    selector: 'home',
    templateUrl: './app/home/home.html',
    directives: [CORE_DIRECTIVES, FORM_DIRECTIVES]
})
export class Home {
    public jsonResponse: string = "";

    constructor(private _http: Http) {
        var thisReference = this;
        thisReference.getSensors();
    }

    getSensors() {
        this.jsonResponse = "testResponse";
    }
}

I'm trying to figure out how to get the value for "jsonResponse" in an HTML file. I've searched but can't find a straightforward way to access the jsonResponse variable - any ideas?

Do you just want to display the value of jsonResponse on the page? — sourdoughdetzel
– sourdoughdetzel, Commented May 12, 2016 at 23:34

Som · Accepted Answer · 2016-05-13 00:11:46Z

2

Here is what you are looking for: link to working code: https://plnkr.co/edit/Y6TeraRZT2NDnHMRB9B0?p=info

import {Component} from '@angular/core'
@Component({
  selector: 'my-app',
  providers: [],
  template: `
    <div>
      <h2>jsonResponse:  {{jsonResponse}}</h2>

    </div>
  `,
  directives: []
})
export class App {
  jsonResponse: string;

  constructor(){
    this.getSensors();
  }

  private getSensors() {
    this.jsonResponse = 'testResponse';
  };
}

answered May 13, 2016 at 0:11

Som

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Comments

Günter Zöchbauer · Accepted Answer · 2016-05-13 04:25:19Z

1

There is also the json pipe

{{jsonResponse | json}}

answered May 13, 2016 at 4:25

Günter Zöchbauer

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