Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5ba4962fbbac05000bc2ddec

Preferably without multi-cursor plugin

Originally asked as question on reddit by kpthunder: https://www.reddit.com/r/vim/comments/9fvsro/what_is_the_most_efficient_way_to_go_about/

Start file
newState.set('foo', foo);
newState.set('bar', bar);
newState.set('banana', banana);
newState.set('bears', bears);
End file
state.foo = payload.foo;
state.bar = payload.bar;
state.banana = payload.banana;
state.bears = payload.bears;

View Diff

1,4c1,4
< newState.set('foo', foo);
< newState.set('bar', bar);
< newState.set('banana', banana);
< newState.set('bears', bears);
---
> state.foo = payload.foo;
> state.bar = payload.bar;
> state.banana = payload.banana;
> state.bears = payload.bears;

Solutions by @foobar01123:

Unlock 7 remaining solutions by signing in and submitting your own entry
Created by: @argshook

127 active golfers, 538 entries

Solutions by @foobar01123:
30
#13 - Miłosz Łakomy / @foobar01123

08/01/2019 at 12:17PM

31
#>27 - Miłosz Łakomy / @foobar01123

08/01/2019 at 12:15PM

32
#>46 - Miłosz Łakomy / @foobar01123

08/01/2019 at 12:12PM

33
#>51 - Miłosz Łakomy / @foobar01123

08/01/2019 at 12:09PM

34
#>55 - Miłosz Łakomy / @foobar01123

08/01/2019 at 12:08PM

36
#>78 - Miłosz Łakomy / @foobar01123

08/01/2019 at 11:36AM

39
#>99 - Miłosz Łakomy / @foobar01123

08/01/2019 at 11:35AM