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David Walsh
Works at Mozilla Corporation
Attended Madison Area Technical College
Lives in Madison, WI, USA
6,524 followers|499,589 views
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David Walsh

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It's difficult...but also easy.
Dealing with URL formats can be a real nightmare.  Think of how just a few characters can effect a URL's absolute endpoint: starting or not starting with / starting with // starting with ? starting with # ...and so on What if you want an absolute URL though?  One that starts with http or https?  You can actually use an A element to get that absolute URL! The JavaScript I'm going to use a function that returns a function so that only one A eleme...
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David Walsh

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An incredible guest post about Snap.svg.  The animations themselves are awesome!
SVG is still one of those subjects that can scare away a lot of developers, but I'm here to show you hopefully just how easy it can be.
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O’Reilly Velocity Conference - Santa Clara - May 27-29.  20% off with `AFF20`.  

http://dwf.tw/oreillysantaclara
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Live stream!  Don't miss this conference!
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Regular expressions are certainly powerful but they're seldom taught and difficult to master.  Now's your chance to get going!
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Getting the duration of a HTML5 video duration isn't as simple as the `duration` property.
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Have him in circles
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Beautifully animated 3D menu!
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Promises FTW
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A good guest post about what to consider when choosing your JavaScript charting library!
Before starting your search for a charting library, you need to know that creating good data visualization is a huge time investment.
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A David Walsh Blog classic!
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It seems every time I doing something new for a client project you post something here on google+ that's exactly what I was trying to do. 
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Software Architecture Conference in Boston starts Monday.  20% off with “AFF20”.  http://dwf.tw/softwarearchitect
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Did you know there's a native spec for notifications within browsers?
Learn how to use the JavaScript Web Notifications API!
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Hi David, 

This is Allen, a software developer from AoaoPhoto Digital Studio. We hope to find a possible way to cooperate with DWB and share our product Aoao Video to GIF Converter with DWB readers. 

This is our product page:
http://www.aoaophoto.com/video-to-gif-converter/video-to-gif.htm

If you are interested in this potential cooperation, please do not hesitate to  contact me via allen@aoaophoto.com
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Have him in circles
6,524 people
Marco Niño's profile photo
Nora Reed's profile photo
Create Website's profile photo
Devin Rhode's profile photo
Cesar Mancilla Pillaca's profile photo
Santosh Subramanian's profile photo
Raanan Avidor's profile photo
Steve Maraspin's profile photo
Carlos Crespo'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
davidwalsh.name

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,