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Update article.md

Changes proposes for the [issue 2049](https://github.com/javascript-tutorial/en.javascript.info/issues/2049)
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Maksumi Murakami committed
bc92283021a5b5d0c23ebfa5cdee6bcf422e330b
Parent: 3a924fc
Committed by GitHub <noreply@github.com> on 8/13/2020, 10:39:47 PM