Predict the output - episode 2 - Javascript

Pubblicato il: 30 dicembre 2022
sul canale di: Code on Mars

Output
"undefined"

Reason
It's important to have prior knowledge of how "this" works in javascript.
As we have called data.getName(), so "this" inside the arrow function "getName" will refer to the window object (from the parent scope). Hence the output is undefined.

📖 Suggested books
Introduction to Algorithms - https://amzn.to/3IdqpHu
Data Structures And Algorithms Made Easy: Data Structures - https://amzn.to/3vuqVJE
SPEAKING JAVASCRIPT AN IN-DEPTH GUIDE FOR PROGRAMMERS - https://amzn.to/3i149FU
Cracking the Coding Interview - https://amzn.to/3jJnzjm
DESIGNING DATA-INTENSIVE APPLICATIONS - https://amzn.to/3GqD4Wa
Atomic Habits: The life-changing million-copy bestseller - https://amzn.to/3IcETHm
System Design Interview - An insider's guide - https://amzn.to/3jDZtqa
DEEP WORK: RULES FOR FOCUSED SUCCESS IN A DISTRACTED WORLD - https://amzn.to/3GrumHg

Better way to prepare for Frontend interviews - https://preparefrontend.com

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