Diff 2 strings in Javascript

Asked Jan 09 '20 at 12:08

Active Jan 09 '20 at 12:32

Viewed 39 times

Let's say I have the following 2 strings that were returned from JSON.stringify:

list1 = ["mike","bob", "jim", "steve", "ed"]
list2 = ["bob", "jim", "steve"]

and I want to do something like this:

Diff(list1, list2)

and return this:

mike, ed

because mike and ed are what's different between the lists. Does anyone have something laying around that will do this simply and accurately? I'd like to avoid recreating the wheel if possible.

asked Jan 09 '20 at 12:08

Jimmy D

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And you didn't tried anything? (also, you have 2 *arrays* of strings, `list1` and `list2`) – Calvin Nunes Jan 09 '20 at 12:09
1

something like this? https://stackoverflow.com/q/48221473/1447675 – Nina Scholz Jan 09 '20 at 12:11
Also potentially useful: https://stackoverflow.com/questions/58626502/how-could-i-improve-and-shorten-the-following-algorithm-which-compares-two-array – VLAZ Jan 09 '20 at 12:12
```const diff = [...list1.filter(elem => !list2.includes(elem)), ...list2.filter(elem => !list1.includes(elem))];``` – Roberto Zvjerković Jan 09 '20 at 12:13

Diff 2 strings in Javascript

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