Change `function()` to `()=>`
https://www.google.at/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwiN0fex39HMAhXF2ywKHWT5DOYQFggbMAA&url=https%3A%2F%2Fdeveloper.mozilla.org%2Fde%2Fdocs%2FWeb%2FJavaScript%2FReference%2FFunctions%2FArrow_functions&usg=AFQjCNFVlx1d6Ugpf5ene4iHJq_5ezUpLQ&sig2=j5tpHdhOxAeqMROs472onw&bvm=bv.121658157,d.bGg&cad=rja
On Monday, May 9, 2016 at 6:35:04 PM UTC+2, Nobody Body wrote:
>
> Hi, i d'ont understand why the following snippet don't works and print
> error 'TypeError: Cannot read property 'test' of undefined' when i invoke
> the method :
>
> @Injectable()
> export class HeroService {
> test = '1';
>
> getHeroesSlowly() {
> return new Promise(function(resolve, reject) {
>
> if (this.test=='1') {
> setTimeout(()=>resolve(HEROES), 4000) // 2
> seconds
> } else {
> reject('No user');
> }
> });
> }
> }
>
>
> And how i can display logs in console? 'console.log('log') not works.
>
> thanks!
>
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