JavaScript Currying Explained in 20 Seconds | sum(1)(2)(3) | JavaScript Interview Questions | Vishal

Learn JavaScript Currying in the simplest way!
Why does console.log(sum(1)(2)); show a function, and sum(1)(2)(3) prints the result?

Understand closures, currying, and function chaining in one simple example.

📚 Concept: Currying / Closures
💡 Output explained step-by-step
🚀 JavaScript Interview Concepts Series

Watch till the end 👇
#JavaScript #Closures #Currying #WebDev #javascriptInterview #nodejs #javascriptinterviewquestions #nodejsinterviewquestions #reactjsinterviewquestions #reactjs #nodejs #mernstack

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javascript javascript closure javascript currying javascript interview javascript for beginners js interview questions coding interview prep web development sum(1)(2)(3) learn javascript closures in js currying in js frontend interview prep mern stack interview

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4 ноября 2025 г. 11:48:36

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