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Use optional chaining in chapter 6 #30

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ufoo68 opened this issue Apr 21, 2020 · 0 comments

ufoo68 commented Apr 21, 2020 •

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I suggest use optional chaining for nullable value because occurred error.

ufoo68 changed the title ~~Use p~~ Use optional chaining in chapter 6

ufoo68 mentioned this issue

[30]Use optional chaining in chapter 6 #31

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