null + 1 vs undefined + 1 in JavaScript 😵‍💫 #shorts #correctcoding #javascriptcoding #shortvideo

Why does null + 1 give 1, but undefined + 1 gives NaN in JavaScript? 🤔Ok, I will look into it. Thanks for the detailed points—I'll go through each one.
It’s all about type coercion!

null + 1 → 0 + 1 → 1
❌ undefined can’t be converted to a number, so:

This is one of the most asked JavaScript interview questions

jundefined + 1 → NaN (Not a Number)
#javascript #codinginterviewquestions #WTFJS #typecoercion #codetips #frontenddeveloper #webdevelopment #learntocode2025 #Shorts #programmerlife #techshorts #null #undefined #DevCommunity #jsfacts

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