David Walsh Blog

• By David WalshSeptember 21, 2023

  Welcome to the New LimeWire: AI Media Generation

  LimeWire was a staple of my youth. LimeWire was software that allowed users to share any type of file during the revolutionary days of file sharing. Fast forward to today and LimeWire is back, again as revolutionary software, but this time in the...

• 

  
• By David WalshSeptember 12, 2023

  Unveiling 15+ Essential Tools & Resources for Web Designers and Agencies in 2023

  You’ve visited countless websites, and now you’re designing your own. Stop and think for a minute about what you’ve liked and didn’t like about some of those you visited. Was it the front page, the layout in general, or the functionalities that either met with your...

• By David WalshSeptember 6, 2023

  Sum an Array of Numbers with JavaScript

  It's rare that I'm disappointed by the JavaScript language not having a function that I need. One such case was summing an array of numbers -- I was expecting Math.sum or a likewise, baked in API. Fear not -- summing an array of numbers...

• By David WalshAugust 14, 2023

  JavaScript waitFor Polling

  As more of the JavaScript developers write becomes asynchronous, it's only natural to need to wait for conditions to be met. This is especially true in a world with asynchronous testing of conditions which don't provide an explicit await. I've written about waitForever, waitForTime...

• By David WalshAugust 11, 2023

  queryLocalFonts

  One of the larger downloads when requesting a webpage are custom fonts. There are many great techniques for lazy loading fonts to improve performance for those on poor connections. By getting insight into what fonts the user has available, we can avoid loading custom fonts.

• By David WalshAugust 7, 2023

  Use XHR/fetch Breakpoints!

  Web debugging tools are so incredibly excellent these days. I remember the days where they didn't exist and debugging was a total nightmare, even for the simplest of problems. A while back I introduced many of you to Logpoints, a way to output...

• By David WalshJuly 17, 2023

  URL.canParse

  Parsing of URLs on the client side has been a common practice for two decades. The early days included using illegible regular expressions but the JavaScript specification eventually evolved into a new URL method of parsing URLs. While URL is incredibly useful when a valid URL...

• By David WalshJuly 5, 2023

  JavaScript closest

  When it comes to finding relationships between elements, we traditionally think of a top-down approach. We can thank CSS and querySelector/querySelectorAll for that relationship in selectors. What if we want to find an element's parent based on selector?To look up the element tree and find...

• By David WalshJuly 5, 2023

  ChatGPT via WYSIWYG

  Artificial intelligence applications have hit like a massive wave over this past year, with ChatGPT being the most prominent. ChatGPT can take any written command and suggest content to match. What better than having the power of AI content creation than doing so within your own...

• By David WalshJune 26, 2023

  JavaScript: Reverse Arrays

  Manipulating data is core to any programming language. JavaScript is no exception, especially as JSON has token over as a prime data delivery format. One such data manipulation is reversing arrays. You may want to reverse an array to show most recent transactions, or...