Fix 'cannot read properties of undefined (reading map)' in JS
Fix 'cannot read properties of undefined (reading map)' in JS
Jul 21, 2022
webtips.dev
2K views · 16 reactions | Ever crashed your code with “Cannot read property of undefined”? Say goodbye to that nightmare!  Learn how Optional Chaining (?.) makes your JavaScript cleaner, safer, and smarter. #JavaScriptTips #WebDev #CodeSmarter #CodingReels #codeflaretech | Codeflare | Facebook
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