An element from an array of typescript items

My current challenge involves working with arrays. Here is an example of the array I am dealing with:

Array[{id:0,name:"a"},{id:1,name:"b"}...]

In addition to this array, I have another array called Array2. My goal is to extract items from Array where the id matches a given number.
I am attempting to achieve this using the following function:

saveActualComment() {
    var i = 0;
    for (i = 0; i < this.postComments.length; i++) {
      if (this.postComments[i].postid = this.post.id) {
        this.actualComments.push(this.postComments[i]);
      }
    }
  }

In this function, postCommets represents the original Array, while actualComments stands for the extracted items in Array2.
However, the issue I am facing is that this function returns the entire array instead of just the items where the Array.id matches the given number (post.id).

Answer №1

if (this.postComments[i].postid = this.post.id) {
        this.actualComments.push(this.postComments[i]);
      }

within the given snippet replace all instances of = with ==

this.postComments[i].postid == this.post.id

alternatively

this.actualComments = this.postComments.filter((item) => item.postId === this.post.id);

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