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🦜 David Walsh Blog

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A blog featuring tutorials about JavaScript, HTML5, AJAX, PHP, CSS, WordPress, and everything else development.

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Posts: 20

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How to Retrieve WiFi Password on Windows

Published: May 13, 2024 10:45

Remembering the WiFi password when on a guest network is never easy. Even worse is when it’s no longer posted and someone else is asking you for it. Luckily there’s a built in Windows command to recover the password of a given WiFi network. The Shell Code…

How to Fix: Windows WASD Keys Reversed with Arrow Keys

Published: May 2, 2024 01:55

This past weekend I had the opportunity to be what every father wants, if only for a moment: the “cool dad”. My wife was out of town and my youngest son wanted to play PUBG. I caved in, taught him the basic FPS key binds, and he was having a great time.…

HTML popover Attribute

Published: April 15, 2024 11:19

Modals have been an important part of websites for two decades. Stacking contents and using fetch to accomplish tasks are a great way to improve UX on both desktop and mobile. Unfortunately most developers don’t know that the HTML and JavaScript specs have…

Get Started in AI and NFTs with the Limewire API (Sponsored)

Published: March 25, 2024 21:50

AI media creation has expanded to incredible video art and a host of other important improvements, and LimeWire is leading the way in creating an awesome interface for the average user to become an AI artist. Limewire has just released its Developer API, a…

I’m So Old: Web Edition

Published: March 18, 2024 13:00

Time can be a funny thing. I still remember discovering HTML, CSS, and JavaScript coding. I still remember my first college programming course. I still remember my first day at my first coding job, then my first day at my second coding job, and then my…

Detect Caps Lock with JavaScript

Published: February 6, 2024 10:33

Anyone is capable of having their caps lock key on at any given time without realizing so. Users can easily spot unwanted caps lock when typing in most inputs, but when using a password input, the problem isn’t so obvious. That leads to the user’s password…

How to Override width and height HTML attributes with CSS

Published: February 5, 2024 11:28

One of the HTML elements that frequently comes into collision with CSS is the img element. As we learned in Request Metrics’ Fixing Cumulative Layout Shift Problems on DavidWalshBlog article, providing image dimensions within the image tag will help to…

Fixing Cumulative Layout Shift Problems on DavidWalshBlog

Published: January 24, 2024 11:56

Over 50 thousand developers visit DavidWalshBlog every month from around the world to learn JavaScript tricks and fix problems in their code. Unfortunately, some of them have a slow experience on the site. David tracks the performance of his Core Web…

Published: January 17, 2024 12:06

Ask any software engineer and they’ll tell you that coding date logic can be a nightmare. Developers need to consider timezones, weird date defaults, and platform-specific date formats. The easiest way to work with dates is to reduce the date to the most…

Extract a Number from a String with JavaScript

Published: January 16, 2024 11:48

User input from HTML form fields is generally provided to JavaScript as a string. We’ve lived with that fact for decades but sometimes developers need to extract numbers from that string. There are multiple ways to get those numbers but let’s rely on…

Thoughts on Streaming Services: 2024 Edition

Published: January 15, 2024 11:08

Streaming services have revolutionized content delivery, sending linear media companies into a panic as they watch traditional cable services decay. “Cutting the cord” is a common practice these days, but the streaming landscape isn’t perfect. We’re a…

AutoGrow Textareas with CSS

Published: December 18, 2023 11:55

As the demands of the web change and developers experiment with different user experiences, the need for more native language improvements expands. Our presentation layer, CSS, has done incredibly well in improving capabilities, even if sometimes too slow.…

How to Play Grand Poo World 3

Published: November 28, 2023 00:35

The underground world of creating and streaming Super Mario World-based ROM hacks continues to gain popularity. This popularity is a tribute to the creativity of gamers and the quality of the original 30 year old video game’s mechanics. Over the past…

How to Get the Current Branch Name with git

Published: October 28, 2023 18:54

Most developers spoil themselves with fun command line utilities to make their work easier and more efficient. One such command line helper allows developers to always show the git branch in the command line. How can you get the current branch? With this…

AutoSave with VSCode

Published: October 23, 2023 11:33

Visual Studio Code has taken the crown of most used text editor, at least in JavaScript spheres. VSCode is fast, feature-filled, and supports thousands of plugins to boost productivity. Developers can also tweak hundreds of settings to enrich…

How to Detect Failed Requests via Web Extensions

Published: October 2, 2023 13:37

One of the best things that ever happened to t he user experience of the web has been web extensions. Browsers are powerful but extensions bring a new level of functionality. Whether it’s crypto wallets, media players, or other popular plugins, web…

Welcome to the New LimeWire: AI Media Generation (Sponsored)

Published: September 22, 2023 00:35

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 field of…

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

Published: September 12, 2023 10:54

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…

Sum an Array of Numbers with JavaScript

Published: September 7, 2023 02:06

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 is easy using…

JavaScript waitFor Polling

Published: August 14, 2023 10:08

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…