HARD JavaScript Challenges | Do You REALLY Know JS?

Do you actually know the intricate details of JavaScript? Or do you just have enough surface knowledge to know the basics? See how many of this tough challenges you can solve!

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Timestamps:
0:00 How Well Do You Know JavaScript?
0:19 This Madness
1:09 Arrays Can Do What?
2:00 Adding… Strings?
2:28 Duplicate Variables
3:31 Splicing Arrays
4:22 setTimeout Is Broken?
5:40 The Comma Operator
6:20 Equality Is Not Equal
7:25 Invalid Object Property Names?
8:12 Asynchronous Promise Chaining
9:54 Up Next

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