JavaScript Interview Day # 3: what is arguments object in a function

I am very sure that in JavaScript interviews, you must have gone through discussions on functions. It is obvious because functions are very core of JavaScript. Whenever there is a discussion on functions, discussion on arguments object is mandatory. If you do not understand, how arguments works, you do not understand how functions works in … Continue reading JavaScript Interview Day # 3: what is arguments object in a function

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JavaScript Interview Day # 2: Can you explain undefined and null

Have they ever asked you? “Can you explain null and undefined in JavaScript?” This question is very trivial but important. As a JavaScript developer, you must have absolute understanding on undefined and null. Let us start by looking at code below: https://gist.github.com/debugmodedotnet/62fc783b3dd79f3feec4b6c87f04d077 Output of above code listing would be “undefined” as shown in the image … Continue reading JavaScript Interview Day # 2: Can you explain undefined and null