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Check if a property is in an object - Beau teaches JavaScript

freeCodeCamp.org12M subscribers

Why it's on BrighterTube

Hand-picked by a BrighterTube curator · found via round-3 back catalogue of a channel Lumen picks video by video · 82% confidence

Shows how to check object property existence using the 'in' operator and hasOwnProperty method. Quick JavaScript technique tutorial.

What you'll learn

A 2-minute video from freeCodeCamp.org: “Check if a property is in an object - Beau teaches JavaScript”.

Programming & CS

Video by freeCodeCamp.org, played through YouTube's embedded player.

Part of JavaScript Basics Course, Beau teaches JavaScript