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javascript-modern-code/patterns/javascript/replace-direct-array-access-element-updates-with-map.md at main · weder96/javascript-modern-code · GitHub
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GitHub1y
30-seconds-of-code/content/snippets/js/s/replace-or-append-array-value.md at master · Chalarangelo/30-seconds-of-code - GitHub
When working with arrays in JavaScript, especially when dealing with objects, you might need to replace an item in the array if it already exists or append it if it doesn't. While this sounds fairly ...