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Getting TypeError: Cannot read property 'push' of undefined in my Service when trying to save my Angular form. Error Snapshot

This is how i am trying to implement it in my article.service.ts

createArticle(data: ArticleDB) {
    this.articles.push(data);
}

tried Stackoverflow reply but it says Type 'undefined[]' is missing the following properties from type 'AngularFireList': query, valueChanges, snapshotChanges, stateChanges, and 4 more. Refrence image

Improve this question
4
  • this.articles is not an array, you should check this Commented Apr 24, 2019 at 9:05
  • set default value as [] i.e ( empty array ) Commented Apr 24, 2019 at 9:06
  • Okay, I guess I don't have the knowledge to answer your question. Deleting it! Commented Apr 24, 2019 at 9:58
  • hey @xyz thanks for your efforts... Commented Apr 24, 2019 at 10:04
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