Essays on software architecture, performance optimization, and systems engineering.
Have you ever wondered what Factory Functions are. Take 2 minutes and know how
Do you know how counters, timers, or event listeners actually work in JavaScript. Take 2 minutes to know how
Ever wondered how let and const behaves when get hoisted, and the behavior of function expressions they state. Take 2 minutes and know how
Most developers know var prints undefined before its declaration. Far fewer know why. It all comes down to what JavaScript does before your code starts executing. I will explain why with simple examples in this article.
Function Hoisting occurs when a function is called before its declaration appears in the source code. JavaScript hoists function declarations to the top of their scope during the creation phase of execution, making them available to call before they are defined in the file. Just imagine it as a pre-step where JavaScript interpreter moves all function declarations to the top of their scopre before executing the code.
While web applications offer several advantages, including low cost, maintenance ease, and cross-platforming, they also have some drawbacks just like everything around us, some drawbacks are limited functionality, performance issues, limited access to device hardware, and dependence on connectivity. And here is where PWAs come in with their unique features to help address some of these drawbacks.
Modern JavaScript provides many ways to iterate or loop through your data. We don’t have one fits all iteration tool, so in case of very large arrays use traditional for loop. In case of medium arrays and need for clean code use while loop. In case of supporting functional programming and optimized time forEach is ideal. In case of small arrays and for fast iteration use for…of loop.”
MVC is a software architectural pattern commonly used by web developers to improve the organization of their applications, specifically their code. It stands for Model-View-Controller. The MVC pattern mainly relies on separating the application into three interconnected parts to simplify the flow of the application.
You’ve probably heard of one of the dozens of low-code software builders out there such as Blaze, Lovable, or Bolt. And like many entry-level software developers, you might have this question in mind: will I still get employed with these low-code software builders out there? You are right to have this concern since business owners seek to save money and make profit as much as they can, and employing you is just a way to this end.
2Minutes: Built-in Static Objects In JavaScript