According to Stack Overflow’s Annual Survey of 2018, JavaScript becomes the most commonly used programming language, for the six years in a row. L...
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Great article!
For "Q11: How would you check if a number is an integer?" I recommend using:
As far as you are not tageting IE.
caniuse.com/#search=isInteger
i would like more of the articles that address performance of javascript under the hood like this one.
nice, I was surprised most by the question 0.1+0.2===0.3.
This is what always haunts me and i'm not sure if that's the case with any other language? I used Python, C, C++ and VBA but such stuff is unseen there.
it's same in Python, C and C++
it's same in c# too but in goLang 0.1 + 0.2 == 0.3 is true :)
Q6: Explain Null and Undefined in JavaScript
Bonus point pointing out Null is an object, it's null-ness still takes up memory
hi,it is a good article.but it has a problem:
Q20:
for your function ,it seemed wrong:
isIsomorphic('sad', 'egg') !== isIsomorphic('egg', 'sad')
my function:
It's great article indeed! , I shared in linkedIn and twitter, I am sure this will help javascript developers in their interviews.
good article! I learned a few things
Q22 is not completely right according to me .
this
may refer the context of the definition with the arrow function.(lexical scoping vs dynamic scoping)
Great Article. Thank you Dev Alex.👍
very great, I was shocked most by the question 0.1+0.2===0.3.
Great article I really needed that quick revision 👍
Great article! Thanks.
I love this article. nice one!
Awesome walk through Alex!
Totally saving this one!
Great article Alex!!
Excellent and insightful article!
Nice. Thanks for sharing!
We also post real world frontend interview questions too. Check out devtools.tech/questions/all