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Races of Destiny. Monthly .Q:
How to filter current array collection with another array collection
I am working on angular 4. I have two array collection and need to filter current array collection with one of another array collection.
export class AppComponent implements OnInit {
  one = ["one","two","three"];
  two = [
    {one: '12', two: 'tttttt'},
    {one: '1', two: 'rrrrrrr'},
    {one: '23', two: 'eee'}
  ]
}
The list of this array collection, is dynamically update so how to filter this current array collection by adding one of this array collection.
My output should be this:
export class AppComponent implements OnInit {
  one = ["one","two","three"];
  two = [
    {one: '12', two: 'tttttt'},
    {one: '1', two: 'rrrrrrr'},
    {one: '23', two: 'eee'}
  ]
}
My input: one = ["one","two","three"]
Output: one = ["one","two","three"]
My input: one = ["one","three"]
Output: one = ["one"]
My input: one = ["three"]
Output: one = []
A:
You can use Array.prototype.filter() and Array.prototype.includes().
Array.prototype.filter() removes all elements of the array for which the callback returns a falsey value.
Array.prototype.includes() checks whether a value exists in an array.
If you are looking to add the current one to the end of the result, use Array.prototype
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Eternal Destiny - Dragon's Dawn: Revenge Of Tiamat Xforce [Updated]