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David Walsh
Works at Mozilla Corporation
Attended Madison Area Technical College
Lives in Madison, WI, USA
6,578 followers|517,300 views
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David Walsh

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Don’t forget O’Reilly Fluent Conference in San Fransisco next week!  Unreal lineup!  http://davidwalsh.name/giveaway-oreilly-fluent-conference-san-fransisco
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David Walsh

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The new AJAX API!
The new fetch API uses promises and a new syntax for making AJAX requests. fetch is much cleaner than XMLHttpRequest.
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Learn how to Optimize your GIFs to make them much smaller!
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We know how to find an element by selector, but what about matching a known element to a selector?
The Element.matches API, sometimes referenced as matchesSelector, determines if a given element matches a given selector.
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That sounds like a neat tool.
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I'm starting to get obsessed with media.  I created a new blog category for it:  http://davidwalsh.name/tutorials/media
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A great guest post about my favorite topic:  performance!
There are plenty of websites and JavaScript APIs that can help you measure these metrics free of charge!
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Spend a few moments this Friday to see if you can make your site faster in a few minutes!
Here are five gains you can complete in minutes to make your site exponentially faster for all users!
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David Walsh

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The ugly magic behind AJAX    oO
Learn how to use the native XMLHttpRequest API to create an AJAX request.
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Still a great post by +Julian Shapiro !  One of my favorite guest posts!
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Learn more about files before you upload them!
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Want to monitor the DOM for changes to a node or child nodes?  MutationObserver FTW.
MutationObserver an API made to efficiently detect loads of node operations.
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Qard allows you to create video backgrounds for your site.
A video is nothing else then "image in motion".  For someone, a video might represent the essence of enriching memories from childhood; for another one it might be a PR and sales instrument to showcase the latest smart device on market. No matter what's the story behind the scenes, one thing is certain: catchy videos drive results. Sometimes they increase revenues, in other cases it's all about awareness and good reputation. If you're on the same...
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Crazy shit,  this plugin... didn't know it. Thx
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People
Have him in circles
6,578 people
Beberly Alfafara's profile photo
Fareed Abdullah's profile photo
Dmitrii “jedi” Ponomarev's profile photo
Ritchie Anesco's profile photo
Cleo Kelly's profile photo
Emerson Ferreira's profile photo
Daniel Mohl's profile photo
Sajid Holy's profile photo
Tarrell Crockett's profile photo
Work
Occupation
Web Developer, Front-End Engineer
Employment
  • Mozilla Corporation
    Web Developer, 2012 - present
  • SitePen
    Software Engineer, 2010 - 2012
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Madison, WI, USA
Previously
Madison, WI, 53711
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Tagline
MooTools & Dojo Consultant, MooTools Core Developer, Javascript Fanatic, CSS Tinkerer, PHP Hacker, and web lover.
Introduction
I'm a 29 year old Web Developer and jQuery & MooTools Consultant working from Madison, Wisconsin. I am a Web Developer for Mozilla. I don't design the websites, I just make them work.
Bragging rights
Member of the MooTools team, Web Developer at a small startup called Mozilla, married to a hot chick.
Education
  • Madison Area Technical College
    Web Programming, 2001 - 2003
  • Lakeland College
    Computer Science, 2003 - 2005
Basic Information
Gender
Male
David Walsh's +1's are the things they like, agree with, or want to recommend.
Camera and Video Control with HTML5 Example
davidwalsh.name

Access the desktop camera and video using HTML, JavaScript, and Canvas. The camera may be controlled using HTML5 and getUserMedia.

O’Reilly Velocity Conference is Coming!
davidwalsh.name

I wanted to give everyone a quick reminder that O'Reilly's Velocity Conference is coming up from June 24-26 in Santa Clara, CA. Velocity con

Debating Which WP Theme Is Better, Divi 2 Or Salient
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Since web design is something people seem more and more interested in, developers have made available an impressive range of products for pe

Shaving Bytes with JavaScript Booleans
davidwalsh.name

true === !0 // Save 2 chars ; false === !1 // Save 3 chars

Prevent XSS “on” Attribute Attacks in CKEditor 3.x
davidwalsh.name

CKEditor 3.x had issues with XSS /security issues with on attributes. For example, you could trigger malicious code via an onerror attribute

Sass Color Variables That Don’t Suck
davidwalsh.name

It's easy to go down the wrong road when naming variables with Sass. Learn how to avoid color problems with this post!

7 Things You Didn’t Know You Could Do with CSS
davidwalsh.name

CSS and JavaScript, believe it or not, are starting to overlap as CSS adds more functionality. When I wrote 5 Ways that CSS and JavaScript I

CSS vs. JS Animation: Which is Faster?
davidwalsh.name

This article serves as a point-by-point walkthrough of how JavaScript-based DOM animation libraries, such as Velocity.js and GSAP, are more

Preview: Element Queries, From the Feet Up
davidwalsh.name

Element Queries, what are they? Have you ever wanted to style an element using something like Media Queries, but based on *its own* dimensio

Add Menu Items to the WordPress Admin Menu
davidwalsh.name

The existing menus in WordPress are solid but one annoyance is that I need to click "All Posts" and then the "Drafts" link to get to my draf

Try Treehouse!
davidwalsh.name

Get a Treehouse coupon code so you can start learning for free!

Stylus PX to REM Mixin
davidwalsh.name

Convert your PX font sizes to REM fonts sizes with these two mixins!

Automatically Generate a Photo Gallery from a Directory of Images: Updated
davidwalsh.name

I've decided to take his tutorial a step further by showing you how to generate thumbnails for the gallery using PHP. I've also implemented

jQuery: Multiple AJAX and JSON Requests, One Callback
davidwalsh.name

You can use jQuery to send multiple AJAX requests and but fire one callback!

Write Better JavaScript with Promises
davidwalsh.name

You've probably heard the talk around the water cooler about how promises are the future. All of the cool kids are using them, but you don't

Track JavaScript Errors with Google Analytics
davidwalsh.name

Learn how to use window.onerror to track errors on Google Analytics!

Look Ma, no CMS!
davidwalsh.name

I hate complexity. And when I say hate I really mean it. When you build websites several years, you start realizing that the simplicity is y

Mighty Deals: 6 Professional iOS7 App Design Templates
davidwalsh.name

Just because Apple claims, "There's an app for that," doesn't mean programmers are out of a job. Far from it. Every day more and more amazin

Top 15 Tools and Platforms for Creating Eye-Catching Websites
davidwalsh.name

There are so many options for you out there if you need to get a website up and running without any coding skills. How do you know which is

uncss: Find Unused CSS
davidwalsh.name

You know what's better than adding features to a website or app, from a code perspective? Removing stuff you don't need. Whether it be code,