remove multiple specific items from array [duplicate]

Question

I have an array like this:

let arr = ['liverpool', 'arsenal', 'man utd', 'chelsea', 'tottenham', 'crystal palace', 'madrid', 'barcelona'];

and I want to remove items, let's say 'arsenal' and 'chelsea', but this needs to be dynamic.

I have tried the following, where items is an array but unfortunately it didn't work:

function removeItems(items) {
   arr.filter(item => {
      return !arr.includes(items)
   });
}

removeItems(['arsenal', 'chelsea']);

filter returns a new array, it doesn't modify the array you call it on. So removeItem would need to return the result, and the call would have to assign the result to something. — T.J. Crowder
– T.J. Crowder, Commented Aug 29, 2019 at 16:10

Chen.so · Accepted Answer · 2019-08-29 16:17:15Z

2

I think what you are trying to do is this:

function removeItems(items) {
   return arr.filter(item => {
      return !items.includes(item)
   });
}

const newArr = removeItems(['arsenal', 'chelsea']);

edited Aug 29, 2019 at 16:17

answered Aug 29, 2019 at 16:10

Chen.so

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3 Comments

T.J. Crowder Over a year ago

No, see my comment.

JBaczuk Over a year ago

arr.filter returns the new array, not mutates it, edited

peter flanagan Over a year ago

this is exactly what I was looking for. Thanks very much for your help, answer makes sense.

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