How to Debug Remote Browsers

By  on  

It's super frustrating when bugs pop up only in a remote browser. Something about that user, that device, or that environment is different, but I don't know what! And of course, I can't recreate it on my local development machine.

The team at TrackJS came up with a cool way to connect and debug these remote browsers that we call RemoteJS. RemoteJS is a free service where you can attach a simplified JavaScript debugger to a remote browser. The debugger provides a remote console where you can see logs, url, network events, and execute commands. You can even pull a remote screenshot.

To use it, just create a new "debugger channel" for agents to connect to. Connecting the agent is with a JavaScript snippet to attach to the browser and establishes a websocket connection back to the web debugger. You can deploy it conditionally to catch an annoying heisenbug, perhaps activating if the `?debug` querystring is present. You can also execute it directly or as a bookmarklet if you can't do a deploy.

RemoteJS can help make the most frustrating kind of bugs a little less painful. Give it a try!

Todd Gardner

About Todd Gardner

Todd Gardner is a software entrepreneur and developer who has built multiple profitable products. He pushes for simple tools, maintainable software, and balancing complexity with risk. He is the cofounder of TrackJS and Request Metrics, where he helps thousands of developers build faster and more reliable websites. He also produces the PubConf software comedy show.

Recent Features

  • By
    Regular Expressions for the Rest of Us

    Sooner or later you'll run across a regular expression. With their cryptic syntax, confusing documentation and massive learning curve, most developers settle for copying and pasting them from StackOverflow and hoping they work. But what if you could decode regular expressions and harness their power? In...

  • By
    5 HTML5 APIs You Didn’t Know Existed

    When you say or read "HTML5", you half expect exotic dancers and unicorns to walk into the room to the tune of "I'm Sexy and I Know It."  Can you blame us though?  We watched the fundamental APIs stagnate for so long that a basic feature...

Incredible Demos

  • By
    HTML5 Input Types Alternative

    As you may know, HTML5 has introduced several new input types: number, date, color, range, etc. The question is: should you start using these controls or not? As much as I want to say "Yes", I think they are not yet ready for any real life...

  • By
    Create a 3D Panorama Image with A-Frame

    In the five years I've been at Mozilla I've seen some awesome projects.  Some of them very popular, some of them very niche, but none of them has inspired me the way the MozVR team's work with WebVR and A-Frame project have. A-Frame is a community project...

Discussion

  1. that’s kind of awesome

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