Today, I am going to talk about 10 JavaScript topics must know that better to learn JavaScript. I am excited. I think you are also excited. So, let’s start.

JavaScript is nowadays the most popular programming language all over the world. But if we look back to a couple of…

Today, I am discuss about some common JavaScript interview question .so, lets be start now.

Question: What are the differences between null and undefined?

Undefined: Undefined means that variable has been declared but has not be assigned or set a value. then the value of the variable will be ‘undefined’.

Null: Null means empty or absent value which is used by programmers to indicate “no…

Mahfuz Alam

I am an enthusiastic JavaScript developer with knowing some framework for the frontend and the backend.

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