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Experiment: JavaScript Boxed Carousel with Progress Indicator
Here's an awesome JavaScript carousel built for a client project, but then scrapped. It definitely has potential for unlimited items.…
How to Change Page Title Using JavaScript
This JavaScript will modify the text of the browser tab when a visitor focuses or unfocuses the tab. You can…
How to Populate OpenStreetMap with Foursquare Venues/Amenities
First of all, we need a Foursquare app and a client ID and secret. Head over to developer.foursquare.com and get…
WordPress Responseless XHR Request Using JavaScript
A responseless XHR (POST) request is a request which does not require any user feedback, such as storing post views…
How to track and measure phone number views with JavaScript
Use this tutorial to create phone number links and track/measure views. As phone numbers are clickable (and work) only on…
How to show an outdated browser alert on Internet Explorer 11
Here’s a nice overview on why Internet Explorer 11 should be phased out and users blocked from viewing the site…
Native JavaScript hasClass()
These JavaScript snippets implement a native hasClass() function, which checks if an element has a certain class. A prototype approach…
How to extract a value from an element and, optionally, round it
This JavaScript snippet will extract a price from a DOM element, remove all alphanumeric characters, such as currency or symbols…
How to hide an element using JavaScript
Here are 3 methods to hide an element using JavaScript. How to hide an element using JavaScript? Set native display…
End of an Era: Travel SEO
I’ll just leave this here for reference purposes and I won’t explain any code, as it’s obsolete and I’m not…
How to Create a Programmatic JavaScript Tooltip
Here’s a short tutorial on how to create a programmatic JavaScript tooltip. I needed this feature to recreate a product…
How to create a YouTube video cover using the YouTube Iframe API
There’s an increasing trend of adding full-width (possibly full-height) YouTube video covers with autoplay. Using the YouTube Iframe API, this…
How to Get and Set URL Parameters with JavaScript
This is an old script, which helped a lot with the initial phase launching a project on all browsers and…
How to Build a Vanilla JavaScript Slider in Less Than 100 Lines
This quick tutorial will show you how to create a basic slider in less than 100 lines. The actual JavaScript…
How to Implement a Service Worker in Your Website and How to Create a Basic PWA
You definitely don’t need a plugin for this. Although there are plugins which help with creating a service worker and…
A Trio of Approachable Vanilla JS Sliders
This post has been superseded by How to Build a Vanilla JavaScript Slider in Less Than 100 Lines. The past…
Cross-browser Query Parameter Getter and Setter
Here’s a cross-browser compatible way of getting query parameter from a URL or setting query parameters and reloading the page. An…
How to Autoplay a Video Element Using JavaScript
The latest Chrome version has stopped video autoplay if the video is not muted. Firefox and the other browsers will soon…
Native JavaScript Drag&Drop Upload
Modern browsers allow you to define native dragging & dropping functionality with a graceful degradation for older/ancient browsers, such as…
Passing Arguments to External JavaScript Files
This post covers the topic of passing arguments to external JavaScript files. I want to say up front that there…
JavaScript Data Types
Every variable in JavaScript has a data type which dictates the values that can be stored in it. However, JavaScript…
Building a Simple Tab Strip using Vanilla JavaScript
I recently developed a simple tab strip using only HTML, CSS, and vanilla JavaScript. The script does not require any…
Convert jQuery.get() to Vanilla JavaScript
In the latest iteration of my YouTube Playlist Player plugin, I decided to remove all jQuery dependencies. I replaced the…
How to Compare Version Numbers in JavaScript
The basic idea to make this comparison would be to get arrays of parts from the version numbers, and then compare pairs…
DOM ready functionality using vanilla JavaScript
This is a reliable way of checking for DOM ready. The first version uses a procedural function, while the second…
DragonflyJS – Vanilla JavaScript Drag and Drop
DragonflyJS is a tiny vanilla JavaScript library that enables sorting (dragging and dropping) functionality with zero dependencies.
How to Implement jQuery slideToggle() in Vanilla JavaScript
If you use jQuery for a handful of effects/animations, here’s a quick JavaScript replacement for jQuery slideToggle(). With small changes,…
How to Create a GDPR Modal Popup Using RoarJS
The script below will check for a localStorage variable, which is the explicit user consent. If the variable exists, the…
RoarJS – JavaScript Alert/Confirm Replacement
RoarJS is a wonderful, responsive, customisable, accessible (WAI-ARIA), zero-dependency, vanilla JavaScript alert/confirm replacement. RoarJS automatically centers itself on the page…
How to replace jQuery.ajax() with vanilla JavaScript in WordPress
In an effort to remove all jQuery dependency from one of my plugins, I decided to turn all jQuery.ajax() requests…
Useful JavaScript String Prototypes
This is a function to remove all double whitespaces and preceding line breaks. This is a function to replace all line…
How to Create an Internationalisation System Using JavaScript
Creating an i18n system in JavaScript can be tricky. The most popular option is to use global variables, but it…
Client-Side JavaScript Pagination
Server-side pagination is needed when you have to display hundreds of records. You may fetch results from a database using…
truthy and falsy in JavaScript
In JavaScript, any variable can be used in a logical context, such as the condition of an if statement or…
A JSON Overview
JavaScript Object Notation, or JSON, is a plain text data interchange format. It is based on a subset of the third…
Native Browser Support for JSON
JavaScript Object Notation, or JSON, is a text format used to represent JavaScript objects as strings. Like other text formats,…
A Quick Introduction to Custom Data Attributes and Vanilla JavaScript
For years, developers have needed a method for adding their own metadata to HTML elements, but no standardized technique existed.…
JavaScript Selectors API
Dealing with the DOM can be a very tedious process. Traversing the DOM can quickly clutter your code with nested loops. For…
Promises in JavaScript
Writing code in an async programming framework like node.js becomes super complex and unbearably ugly, superfast. You are dealing with…
Custom Events in JavaScript MVC
Events are the bread and butter in UI development. They are frequently used to kick off JavaScript to deal with…
Cutting Loose: Dynamic Namespacing in JavaScript
Most of the JavaScript libraries come wrapped in an easy to refer single object. The object acts as a namespace,…
Image Beacons
Using image beacons is one of those popular techniques that you would probably know about without knowing its name. The technique helps…
Understanding JavaScript Currying
I recently fully understood the concept of utilizing Currying in JavaScript. The core concept can be grasped from these references: Wikipedia entry on…
How and Why to Avoid ‘for’ Loops
Never again use for() for looping. Using for() can be dangerous, especially if you use a library which adds attributes…
JavaScript Random String Generator
I needed a random string for various purposes. For example, to provide a unique ID to HTML elements via JavaScript.…
John Resig’s Inheritance
John Resig, the creator of jQuery, has created this JavaScript inheritance code. I am still using it now to simplify several…
Encapsulation: Private Attribute
In JavaScript OOP there are attributes called private attributes. Knowing if an attribute is private or public, an API user…
Encapsulation: Private and Public Methods
When it comes to developing APIs, self-documenting code is very important, as it simplifies the user’s effort in filtering the…