100 Js Interview Questions - #27: Array: Undefined Elements Vs Empty Elements

2022 2:07
Synopsis
Imagine you have this code: var a = [1, 2, 3]; a) Will this result in a crash? a[10] = 99; b) What will this output? console.log(a[6]);
Download Options
Choose a download method below. All links open in new tabs.
Service Features Action
SaveFrom
MP4 & MP3 • HD Quality • Browser Extension Available
Download
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.