.pull` to vanilla JS?

This question already has an answer here:

Remove empty elements from an array in Javascript 36 answers

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The problem is that filter returns a new array. Why not just use a for loop and splice:

if (Array.isArray(object)) {
  for (var i = object.length - 1; i >= 0; i--) {
    if (object[i] === undefined) {
      object.splice(i, 1);
    }
  }
}

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