Popular:
 Building Resilient Systems on AWS: Learn how to design and implement a resilient, highly available, fault-tolerant infrastructure on AWS.

Upcoming O’Reilly Velocity Conferences

By  on  

Velocity Conference is one of those conferences that every type of software industry specialist should go to, and I say that as a front-end developer.  Velocity covers a host of important topics:  security, performance and scaling, devops, leadership, and more.  While I love nothing more than burying my head into a text editor, a recognize that security, performance, and essential team skills like leadership are important for career growth.

Velocity Conference is hitting two amazing cities this October:  New York, NY, USA (October 1-4) and London, England, UK (October 17-20).  You'll hear from diverse speakers from prominent organizations like Google, Netflix, Dropbox, Pinterest, Microsoft, Fastly, Intel, and more!

25% Off Discount Code: PC20DWALSH

As always O'Reilly hooks readers of this blog up with an awesome discount:  get 25% off with code PC20DWALSH.

A huge thank you to my excellent Sponsor, O'Reilly, for hooking up my readers!

Request Metrics real user monitoring
Request Metrics real user monitoring
Request Metrics real user monitoring
Request Metrics real user monitoring

Recent Features

  • By
    Page Visibility API

    One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?

  • By
    fetch API

    One of the worst kept secrets about AJAX on the web is that the underlying API for it, XMLHttpRequest, wasn't really made for what we've been using it for.  We've done well to create elegant APIs around XHR but we know we can do better.  Our effort to...

Incredible Demos

  • By
    Chris Coyier’s Favorite CodePen Demos

    David asked me if I'd be up for a guest post picking out some of my favorite Pens from CodePen. A daunting task! There are so many! I managed to pick a few though that have blown me away over the past few months. If you...

  • By
    Duplicate the jQuery Homepage Tooltips Using MooTools

    The jQuery homepage has a pretty suave tooltip-like effect as seen below: Here's how to accomplish this same effect using MooTools. The XHTML The above XHTML was taken directly from the jQuery homepage -- no changes. The CSS The above CSS has been slightly modified to match the CSS rules already...

Discussion

    Wrap your code in <pre class="{language}"></pre> tags, link to a GitHub gist, JSFiddle fiddle, or CodePen pen to embed!