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javascript - array.pop() function weird behavior - Stack Overflow
Wes Bos on Twitter: "🔥 Here is how the optional chaining operator works in JavaScript. It's in most/all modern browsers and is on by default in babel-preset-env. You can start using it
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![Working, but not working? [#3275592] | Drupal.org](https://www.drupal.org/files/issues/2022-04-16/Snag_216948.png "Working, but not working? [#3275592] | Drupal.org")
Working, but not working? [#3275592] | Drupal.org
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javascript - array.pop() function weird behavior - Stack Overflow
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