JSFoo 2016

Tackling speed and performance for JavaScript

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Submissions are closed for this project

MLR Convention Centre, J P Nagar, Bangalore

About JSFoo

JSFoo is India’s premier JavaScript conference. We launched JSFoo in 2011 as India’s first JavaScript conference. The JS community in India has grown phenomenally since. JavaScript now pervades every aspect of web development – browsers, apps, front-end, backend, mobile, and IoT.

JSFoo 2016: Theme

Over the last few years, JavaScript has evolved to become the centerpiece of a complex web stack. Today, it is a prime subject of the obsession that lies with performance and speed. How can you get pages to load faster? How do you work with browser constraints to enhance speed? How do you measure performance? What actually is performance? In what ways do faster response times influence your architecture choices and plans? How is this new focus on faster page loads and apps working offline influencing the development of front-ends and backends as well as server side JS?

The theme for the 2016 edition is tackling speed and performance for JavaScript.

We are inviting full talks (40 mins), crisp talks (15 mins + 5 mins Q&A), and 3-6 hour long (hands-on) workshops from practitioners on the overall theme of speed and performance, including the following topics:

  • Architecting for performance – case studies on how you got faster response times
  • Best practices: debugging and profiling on the web, measuring performance
  • Handling large volumes of data in the browser
  • Building and deploying web apps eg webpack, travis
  • Modern web technology: Angular 2, React
  • Universal JavaScript: meteor js
  • Progressive Web Apps
  • JS off the web – raspberry pi, IoT
  • The cutting edge: elm

This year, JSFoo will feature two days of talks on JavaScript (15-16 September) and a single day of talks on design (17 September) at Meta Refresh (call for proposals will open shortly).

Guidelines for submission

Every proposal MUST be accompanied by:

  • A three minute preview video where the proposer gives an elevator pitch about the talk.
  • Detailed outline of the talk – either in the form of draft slides, mind map and/or textual description.
  • If you are proposing to speak on a topic where the code is not open-sourced yet, the editorial panel will consider your proposal only if the code is made open-source at least three weeks before the conference.

Without the above information, your proposal will not be considered for review.

If you are submitting a Workshop Proposal, you must clearly state:

  • Background knowledge that participants must possess in order to attend your workshop.
  • Details and links to software / packages which participants must install before coming to the workshop.
  • Laptop configuration.
  • Links to background reading material and GitHub repos.
  • Duration of the workshop.
  • Maximum number of participants who can attend your workshop.
  • Instructor’s past experience with conducting workshops.

There is only one speaker per session. Workshops can have two or more instructors.

Entry is free for selected speakers.

Due to budgetary constraints, we prefer speakers closer to home. But if we think you stand out, we’ll provide a grant to cover part of your travel and accommodation to Bangalore. Grants are limited and are made available to speakers delivering full sessions (40 minutes or longer) only.

Commitment to open source

HasGeek believes in open source as the binding force of our community. If you are describing a codebase for developers to work with, we’d like for it to be available under a permissive open source licence. If your software is commercially licensed or available under a combination of commercial and restrictive open source licences (such as the various forms of the GPL), please consider picking up a sponsorship. We recognise that there are valid reasons for commercial licensing, but ask that you support us in return for giving you an audience. Your session will be marked on the schedule as a sponsored session.

Important dates:

Deadline for submitting proposals: 29 August 2015
Conference dates: 15-16 September

Venue

JSFoo will be held at the MLR Convention Centre, J P Nagar.

Contact

For more information about speaking proposals, tickets and sponsorships, contact info@hasgeek.com or call +91-7676332020.

Hosted by

JSFoo is a forum for discussing UI engineering; fullstack development; web applications engineering, performance, security and design; accessibility; and latest developments in #JavaScript. Follow JSFoo on Twitter more

Supreet Pal Singh

@supreetpal

How to build your own JavaScript compiler

Submitted Aug 20, 2016

With the popularity of the latest ECMAScript standard and before that CoffeeSript, JS compilers are everywhere. JS projects are now using them in one way or another, most for source to source compiling, many for code coverage etc. Babel being the most popular compiler. Apart from its native features, it also allows us to extend the language by developing custom Babel plugins. We will discuss the development of custom Babel plugins. However in this talk, we will go a step further and learn about Abstract Syntax Tree. Use that knowledge to put together our own compiler. This compiler will allow us to transform or compile JS to anything. The project will be a super tiny compiler. It will be easily extensible and opensource. By the end of the talk, an attendee should be able to use it as a boilerplate and build their own version.

Outline

  • Introduction.
  • Brief discussion around Babel Plugins.
  • What is an Abstract Syntax Tree?
  • How to consume an AST from a JavaScript parser.
  • What is the setup required to build your own compiler?
  • Bringing together a super tiny compiler.
  • Code overview and demo.
  • How to acquire and extend the demo compiler.

Speaker bio

I am a developer who loves working with JavaScript. My current full-time work is with Fybr (fybr-tech.com) as an Applications Engineer. The role consists of setting up JS build systems, maintaining repositories and developing JS applications.
I have been contributing to open source communities since 2010 (KDE and X.Org being the main ones). I am one of the authors of the official KDE Developer’s Guide book (https://flossmanuals.net/kde-guide/).
PULUG (https://groups.google.com/forum/#!forum/pulug) is an open student developers’ community which I helped establish and now also hosts the annual SFD in Chandigarh where I mostly speak. (http://softwarefreedomday.in/)

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Tejas Dinkar

Patterns of Isomorphic Rendering

In today’s world, web apps have to be rich, responsive, and fast. JS Frameworks like React and Angular work well, but only after the browser has finished loading the page, and all the relevant JS. Isomorphic web apps render the page server side, then have the front end ‘pick up’, once rendered. This allows non JS users to see the initial page, improves the load time, and also improves indexing by… more

20 Aug 2016