Angular2 foreach object?

Question

I have an Array of Objects called comments, and I'm trying to select only one's that have the id of post that I need to another array of objects. And the problem is that I can't find a way to copy the object I have found. This is my function:

comments = [];
commentspart = [];
private loadPartComments(id){          
            this.comments.forEach(element => {
            if (element.postId == id) {
                this.commentspart = ????;
                }
            });
            return this.commentspart;
        }

Thank you.

How about: this.commentspart = element;?

Nitzan Tomer
– Nitzan Tomer

2016-08-31 17:59:16 +00:00
Commented Aug 31, 2016 at 17:59 — Nitzan Tomer
– Nitzan Tomer, Commented Aug 31, 2016 at 17:59

Madhu Ranjan · Accepted Answer · 2016-08-31 18:05:23Z

7

i guess you are looking for filter,

    comments = [];
commentspart = [];
private loadPartComments(id){          
            this.commentspart = this.comments.filter(element => {
               return element.postId == id;
            });
        }

it will give you filtered array of comments based upon id.

Hope this helps!!

answered Aug 31, 2016 at 18:05

Madhu Ranjan

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