Ngan Kim Khong articles - 16 total
What are the possible ways to create objects in JavaScript ?
There are many ways to create objects in javascript as below Object constructor: The simplest way t...
How to make your localhost accessible to the internet with ngrok
Because of some popular programming memes, I thought localhost is, well, only exist in your local mac...
Prevent phishing attack when open a new webpage from your project code
When a link opens a URL in a new tab with target="_blank", it is very simple for the opened page to c...
Javascript function scoping basic: The expression and the invoke...
The image above shows the two ways of writing a function and invoke it immediately. You will wrap a p...
An "Aha" moment about Object Oriented Programming
I'm not sure how to hashtag my blog to beginner only. If you're an experience developer, you can skip...
Flexbox for CSS
I have been using libraries like Bootstrap and Bootswatch for all my CSS since the bootcamp. I unders...
Javascript true false weirdness
Recently I was trying to check true/false value for an object. I was pretty sure that an empty object...
React Hooks versus Classes - why choose one over another?
Recently an interviewer asked me about choosing between a functional component and class component. W...
I learned Javascript, Ruby, Python and Java
If anyone knows computer science history you probably know that in recent years, programmers now can...
Combined backend and frontend on Github
We have been taught about updating separated repository, for backend, and frontend, on Github, for va...
Ruby - reference and foreign keys
There are several ways to add foreign key into our Ruby models. I have tried some of them. Some have...
A quick comparison between React, Angular and Vue.js.
React, Angular and Vue are the three most popular frameworks for software engineers. Every framework...
Git as a team - a simple concept for beginners.
As a developer, knowing how to use git is crucial. However, git for a beginner can be confusing. Here...
addEventListener method
The addEventListener() method attaches an event handler to the specified element. Whenever the specif...
Beginner: navigation on a dynamic website.
It's been a while since I first make my "Hello World" appear successfully on a website. Now, it's tim...
First programming blog
I hope everyone has a great weekend! I’m currently in the second module of the full-stack immersive s...