May 13, 2024, 11 a.m. | Anton Martyniuk

DEV Community dev.to

Closures are a fundamental concept in JavaScript, that can help you manage scope, data privacy, and memory efficiency.

Understanding closures is crucial for coding and allow to prevent potential bugs in the code.





What is a Closure?


A closure is a function that captures the scope of its outer function, retaining access to its variables even after the outer function has completed execution.

This unique property allows closures to maintain state between function invocations.


The concept of closures is closely …

access bugs can closures code coding concept data data privacy efficiency function javascript manage memory prevent privacy programming scope understanding webdev what is

Sr. Product Manager

@ MixMode | Remote, US

Information Security Engineers

@ D. E. Shaw Research | New York City

Technology Security Analyst

@ Halton Region | Oakville, Ontario, Canada

Senior Cyber Security Analyst

@ Valley Water | San Jose, CA

Principal Software Engineer - Threat Detection

@ AppOmni | Remote, USA

Senior Security & GRC Lead

@ GoHenry | London, England, United Kingdom