Javascript

We've all seen the infamous snake game. It was a staple of non-smartphones back in the day. In this post, we'll be building something similar...

In this post, I will be going over how to build a deck of cards in JavaScript, that can be used for future projects or future games, such a

If you've been writing JavaScript for a while, you've probably used `map()` countless times. But have you ever run into a situation where `m

A student recently asked me what the best way to check for an empty string in JavaScript was. I answered in the best way that I knew how an

Today I am going to talk about a seemingly boring topic, strings in JavaScript. But stay with me, as we'll be going into some low-level

Generating unique ID's is a common practice in most modern web applications. Whether you're building APIs, databases, or client-side applica

Infinite loading, also referred to as infinite scrolling, is a popular UI/UX technique in which a user does not have to leave the page in or

The Function constructor is something that isn't usually talked about in JavaScript circles, but it is a useful mechanism to have

Tetris is one of the first games that many of us played growing up. It's fun and challenging and playing a single level can take you from a

The JavaScript Vibration API is a powerful yet simple tool that allows developers to trigger vibrations on mobile devices directly through t

I've been writing JavaScript for over 2 decades, and I've seen countless debates about micro-optimizations. Should you use `for` loops inste

A pretty cool feature that you can add to your file upload elements, if you are working with images, is the ability to render a preview on t

Cipher's are a good way to put your coding skills into practice. They are usually relatively simple to implement in terms of the amount of c

In this post we will be building the ever popular Tic Tac Toe game in JavaScript. It's a relatively simple implementation and the most comp

Right click contextual menu's are a great way to hide menu items that are less commonly used, and that you want to keep out of sight until

Pagination is one of those annoying features that aren't fun to implement in any language, but that is pretty much essential for a good UI.

Welcome to part 2 in this building Tetris tutorial. If you missed part 1, feel free to check it out here. In this second part, we'll be fin

Pagination is one of those things that everyone hates implementing on their websites, and that we avoid doing until the data size calls for it.

In this tutorial I will cover rendering a calendar onto a webpage with a few lines of JavaScript.

Creating a rich-text editor in JavaScript isn't as difficult as many may think it is and can give you the much needed control over your code

The JavaScript specification now supports touch event handling for interactions with mobile devices and tablets.

And you never thought that algorithm class from college was going to pay off. In this post I'll be going over how to add the ability to sor

Last time I made a quick tic tac toe clone and today, at the request of a friend, I will make an image/text slideshow widget. We see them a

In my previous post I talked about why JavaScript is such a great language for newcomers to the programming world due to it's ability to ge

Welcome to part 2 of my Crafty.js How To. On the last post I started building a quick game that I made up using Crafty.js, a JavaScript-onl

It's time to take what I've learned about Crafty.js in the past couple of weeks and to put it to use and build a side scroller game. Also,

File Uploads have yet to really catch up with the times and with technology. Many reasons for this. Security being a major one. It's an ope

Keeing items on the page when scrolling downwards can be a beneficial feature when you have elements that ideally land somewhere near the to

When making a fetch request in JavaScript, there might be a scenario where you would want to cancel the request if it's taking too long. Thi

The Ctrl + s shortcut has become so natural as a saving mechanism, that I find myself doing it automatically many times with websites.

jQuery is a great JavaScript library for getting things done quickly without having to put too much thought into how you're going to be doi

Modal windows are an important UI/UX tool when it comes to pretty much any type of application, whether web, mobile or even your local ATM m

The developer console in a browser is one of the most valuable tools for any web designer and web developer. Not only does it tell you what'

Most programmers are familiar with the 'load' event listener in JavaScript.

Memory leaks are one of those bugs that are critical in nature and difficult to detect. Unlike a syntax error that breaks everything immedia

The Screen Wake Lock API allows web applications the ability to prevent the client device screen from locking or dimming after the

When developing modern web applications, it’s common to store some data directly on the user's browser. Whether it’s user preferences, sessi

The HTML5 Drag and Drop API offers a simple method for allowing the movement of HTML objects around a webpage. In the past, this typically i

One of the most powerful, but not often seen or used, features of JavaScript are proxies. Proxies were introduced in ECMAScript 6 and they a

The JavaScript Gamepad API has been around since 2012 and has solid support across most modern browsers. Chrome, Firefox, Safari, Edge, they

JavaScript has quickly become one of the most widely used and popular programming languages of the past decade. Thanks in part to technologi

I've read far too many articles this week about why developers should avoid using JavaScript frameworks in lieu of plain old vanilla JavaScr

Promise based asynchronous code in JavaScript has typically not been the easiest to write. Dealing with promise-chaining and nested callback

Bun is the ultra fast JavaScript runtime that has taken the internet by storm and that is set to dominate the JavaScript development market

ROT13 is a specific implementation of the Caesar cipher that replaces each letter with the letter that is 13 places down the alphabet. For e

One of the latest additions to the ECMAScript 2024 standard is the Temporal.PlainDate method which is a part of the Temporal API i

In this post we will go over the various ways that you can iterate through a given array in JavaScript.

What are breakpoints? Think of them as pauses that you can add to your code temporarily to see just what is happening at that point in time.

Default function parameters are a great addition to the JavaScript specification as of ES2015 that allows us to give a default starting value to named parameters in a function.

Performing certain tasks on a website every 'n' number of seconds can be very useful when trying to achieve certain effects, such as creating on-screen visible timers, polling for data or even counting down towards some event.

"Must be online to continue". "You have been disconnected". "Error: Status code: YSLFJLFJSKDFJS"We have all seen that message appear at some

If you are fan of JavaScript then you no doubt have encountered the term JAMStack at some point in your career. In this post I'm going to br

ECMAScript 6 introduced the new Set type into its toolset. What are Set's? Essentially they are an ordered list of values that hav

In my last post I went over the Set() data structure that was introduced with ECMAScript 6. Today I will be going over t

ES2015 introduced a new syntax into the JavaScript specification that finally allows us to create classes in a much cleaner way than th

You may think you know what a calculator is. But it's not until you begin to code something that you get to see just how complex it can be.

A commonly seen useful shorthand when writing code is the ability to call a function as a return statement.

This is a follow up to my post How To Paginate Through A Collection In Javascript article. In this updated version I wi

If you are looking to become a web developer at any point in time, then JavaScript is going to have to be your go to programming language. A

If you are building a user entry form of any kind, you often times want to limit the number of characters that a user is allowed to enter in

While there is no direct bulit-in function in JavaScript (yet) to capitalize the first letter of a string, there are various ways that you c

I get this question asked all of the time from my students. And my answer will typically be something like "Why is it wrong to use jQuery?".

Thanks in part to Ajax and front-end heavy frameworks like React and Angular, much of a website these days is generated in real-time dynamic

jQuery is probably still the most popular and widely used JavaScript library out there today, and that's mainly due to its longevity. Latest

You might be familiar with seeing the following directive at the top of JavaScript files.

Infinite scrolling is a popular technique that social media sites tend to use often, mainly on mobile devices, in which a user naturally scr

Cipher's are a great way to practice your logical coding skills. Plus, they're kind of fascinating. Ciphers have been used for hundreds, if

In this article, we are going to implement the draggable functionality (found in jQuery) using vanilla JavaScript with just a few lines of c

Most programmer's are familiar with a browser's built in debugging tools. This includes the standard Inspector used to view the DOM elements

The destructuring assignment in JavaScript is one of those things that you might never see yourself using, but that might be just the thing

If you are looking to make an identical copy of an array in JavaScript, then using the default assignment operator will not do the trick as

WebRTC is a free open sourced technology that allows your everyday browsers to perform Real Time Communication through a set of simple API'

Just recently a friend of mine showed me a game running on a web browser and it was an amazing experience. The game wasn't particularly ama

TypeScript is a free and open source superset of JavaScript and was created and is maintained by Microsoft. It offers many OOP patterns tha

Does your browser know your battery status? You bet it does. Let's talk about that. HTML5 keeps adding more and more features to its lin

On this rainy day in Los Angeles, stay home, drink too much coffee and enjoy a classic game from our teen years (maybe). I coded this sna

This is a follow up to my last two Crafty.js posts which you can find in part 1 and part 2 in those links, which covered the basics of gett

I "know" JavaScript, the way that a new college graduate "knows" every programming language ever made. When I first graduated from college

Another week, another new technology to learn. This week I'll be using WinJS for the first time, also known as The Windows Library For Java

JavaScript is a great language for anyone just starting to code for a variety of reasons. It's lightweight, runs fast and most importantly

Angular.js is a fairly newcomer in the JavaScript framework world. It was first introduced in 2012 by a Google employee, and has since been...

In the spirit of trying out new and interesting Javascript frameworks, and just new technologies in general, this week I take Knockout.js f

There is no better way to share a location than with a map and a marker on it. The universal indicator of map based location in this and ag

Click to enlarge is a common feature on many sites nowadays. And while it may seem like a trivial feature to add to your website, just try

If you're reading this post, then you are familiar with the concept of modal windows. But just in case you aren't here's a quick recap. Mod

The following is the follow up to the ever so popular Coding a Calendar in JavaScript, in which I created a calendar widget in JavaScript.

Sorting is a common task that is required of programmers many a time. You need to sort things such as search result sets to standard lists o

For a long time now, declaring variables using the standard var keyword was commonplace in JavaScript. While super easy to use, it was not w

The Spread operator is one of those concepts in JavaScript that, while you appreciate what it does, you just can't ever quite seem to find t

All JavaScript objects inherit properties and methods from a prototype. Prototypes are the mechanism by which JavaScript objects inherit fea

Sure you can always just highlight text and then ctrl+c, but sometimes due to text constraints (large text) or just for ease of use to your

It wasn't that long ago that JavaScript was shunned in the coding community as a small-time scripting language used mainly to hide and show