Archive of posts with category 'Javascript'

Higher Order Functions

Higher order functions - HOF are simply a function that can take a function as an argument or a function that returns another function.

Sang 29 Nov 2020

Javascript types

Luckily for us there aren’t that many data types in Javascript. There’s only 7 of them.

Sang 28 Nov 2020

Context vs Scope

Scope

Sang 25 Nov 2020

Call Stack and Memory Heap

We known that the Javascript engine does a lot of work for us. With that the biggest thing is actually reading our code and executing it.

Sang 24 Aug 2020

Javascript engine

We know that Javascript engine takes our written Javascript code and does somethings magic to tell the computer to do what we want it to do.

Sang 23 Aug 2020

Inside the V8 engine

Interpreter vs Compiler

Sang 23 Aug 2020

What is this

This afternoon, I have a Front-end interview with a company. They have asked me for this keyword. I could not explain it in a simple way. So I after finished...

Sang 14 Aug 2020

Observable Concatenation

This is an example of the concatenation of two Observables

Sang 10 Aug 2020

What is Dependency Injection?

The literal meaning is to inject dependency. So what is dependency?

Sang 03 Aug 2020

What is recursion and when is it useful?

Recursion is the repeated application of a process. In JavaScript, recursion involves functions that call themselves repeatedly until they reach a base condition. The base condition breaks out of the...

Sang 15 Jul 2020