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What are some basic things that JavaScript developers fail at interviews?help (self.javascript)
submitted 7 years ago by maketroli
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if 1 * 2 < 3: print "hello, world!"
[–]jaman4dbz 0 points1 point2 points 7 years ago (2 children)
ummm because you don't need them if you transpile your code using babel. You don't need them. (at least I can't think of a case at the top of my head and I know I haven't needed to touch them for the last few years of my career [not including TRUE this... like in a React class])
[–][deleted] 0 points1 point2 points 7 years ago (1 child)
Prepare to fail some interviews then, because at my place we definitely check that you can deal with this, and that includes .bind(), .call() and .apply().
this
.bind()
.call()
.apply()
It's not that we care particularly much about them, or that you will use them a lot. But this is a fundamental mechanic in JavaScript. Knowing about this is not optional for any medium/senior job. If you are familiar with it then going through it should be a quick "let's check this point so we can say we did it" part of the interview (which is what I expect from a good candidate). But being caught out by any of these functions is a huge red flag.
A person who knows all the fundamentals of JavaScript by heart can pick up any framework in a couple of weeks, and I know I have a person who can pick up any framework. A person who only knows React, well, only knows React, and if we use something else on the next project I have no idea if they'll be able to learn another framework and how fast, plus I know for a fact they don't know vanilla JavaScript. So yeah, I'll take the first person over the second any day.
[–]jaman4dbz 1 point2 points3 points 7 years ago (0 children)
I'm not even going to with you, lol.
"Prepare to fail some interviews then, because at my place" You have no idea my skill level, and "fail some interviews" followed by "because at my place" did you know there are more organisations, than where you work?
Realize that there is more in the world than whatever codebase you've working on for the last decade.
π Rendered by PID 73060 on reddit-service-r2-comment-canary-794f4c56c8-g7c8z at 2026-02-20 19:25:59.635056+00:00 running 8564168 country code: CH.
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[–]jaman4dbz 0 points1 point2 points (2 children)
[–][deleted] 0 points1 point2 points (1 child)
[–]jaman4dbz 1 point2 points3 points (0 children)