WEB
How long does the heuristic cache of the browser actually cache?
Heuristic cacheHeuristic caching is the default behavior of browser caching (i.e., for responses without Cache-Control), which is not simply "not caching", but implicitly caching based on the so-called "heuristic cache". HTTP is designed to cache as much as possible, so even if Cache-Control is not specified, the response will be stored and reused if certain conditions are met. This is called heuristic caching.HTTP/1.1 200 OKContent-Type: text/htmlContent-Length: 1024Date: Tue, 22 Feb 2022 22:22:22 GMTLast-Modified: Tue, 22 Feb 2021 22:22:22 GMTCache durationThe formula for calculating the cac...
2,094 0 WEB DESIGN HEURISTIC CACHE
The four key figures behind the success of JavaScript - Douglas Crockford
JavaScript's success can be attributed to at least four key figures:Brendan Eich, the creator of JavaScriptDouglas Crockford, the creator of JSLint and JSONJohn Resig, the creator of jQueryRyan Dahl, the creator of Node.js.We are already very familiar with Brendan Eich and the invention process of JavaScript, so let's start with Douglas Crockford, the second in command of JavaScript.AllianceIn the 1990s, Microsoft's dominance overshadowed the whole world.At this time, two challengers emerged, one was the IT giant Sun, and the other was the IT upstart Netscape.Sun believed that Java programs co...
4,135 0 DOUGLAS CROCKFORD JAVASCRIPT HISTORY
JavaScript's New Features: Exploring the Latest Additions to the Language
As the web continues to evolve, so too does the JavaScript ecosystem. With the release of ECMAScript 2023 (ES2023), JavaScript developers can now leverage a range of new features that promise to improve code quality, readability, and maintainability. In this blog post, we'll dive into some of ES2023's most exciting additions and provide practical examples of how they can be used in your projects.1. Private Fields and Methods in ClassesOne of the most anticipated features in ES2023 is the introduction of private fields and methods in classes. These enable developers to encapsulate internal clas...
1,179 0 JAVASCRIPT ES2023
Understanding JavaScript closure and where it can be used
ClosureThe official definition of closure is: an expression (usually a function) that has many variables and is bound to an environment that includes those variables.In JavaScript, closure refers to the ability of a function to access the lexical scope in which it was defined, even after the function has been executed and left that scope. This ability is due to the fact that when a function is created, it generates a closure that includes a reference to the definition environment of the current function, allowing the function to continue to access those variables within that environment.Below ...
1,222 0 JAVASCRIPT USAGE CLOSURE
What is your opinion on WordPress hosting providers?
WordPress is a popular content management system (CMS) used by millions of websites around the world. According to data from W3Techs.com, at least 64.2% of websites that have CMS use WordPress’s system.However, to run a WordPress website, you need a hosting provider that can support it. There are many hosting providers that offer specialized WordPress hosting. For example, they would provide seamless, one-click WordPress migrations, or dedicate a team of experts to address any WordPress-related customer concerns. The quality and reliability of WordPress hosting providers can v...
613 0 HOSTING PROVIDER WORDPRESS
Let's talk about JavaScript deep clone
In JavaScript, deep clone means creating a brand new object that includes all nested objects, with all properties being completely independent copies. This is different from shallow copying, which only copies the first-level properties, with nested objects being referenced rather than copied.There are multiple ways to perform deep copying in JavaScript, but the best one to use depends on the specific use case.Can use JSON.parse & JSON.stringify? ❌JSON.parse(JSON.stringify(obj)) is a depth cloning method that uses JSON serialization to create an object. It works for objects that do not co...
3,365 0 JAVASCRIPT DEEP CLONE
CSS Selector for Web Scraping
Creating a web scraper is no easy task. This is because it requires precision to identify the specific data points that we intend to collect for the end goal we are working towards. Whether we are looking to create a marketing content database or analyze market trends, the last thing we need from our scraper is for it to return a lot of unnecessary data that will not help our cause.To avoid the inconvenience of going through huge amounts of data to get what we requested, it is crucial to plan beforehand and include a parser in our web scraper. This is where CSS selectors come in, as they ...
1,109 0 WEB DESIGN CSS SELECTOR
Mastering Async/Await in JavaScript: A Comprehensive Guide with Examples
As a veteran JavaScript developer, I have seen the evolution of JavaScript's asynchronous programming landscape. From callbacks to promises and now async/await, JavaScript has come a long way in making it easier to handle asynchronous operations in a clean and readable manner.In this article, we will delve into the world of async/await and explore why it has become a popular choice for handling asynchronous operations in JavaScript. We will cover the basics of async/await, its syntax, and how it differs from traditional promises. Additionally, we will go through several examples of using async...
1,655 0 JAVASCRIPT COMPARISON ASYNC AWAIT PROMISE