Meetup 7

Girls Who Javascript Meetup 7



How Browsers Work- Behind the scenes

Submitted Mar 21, 2018

In this talk, I will talk about the high-level architecture of browser and there components like rendering engine. What happens when you search for something on the internet? How are browsers rendering HTML/CSS/JS for you? How parsing and Layout things works in browser? How and Why Firefox quantum is fast? Browser’s understands us, now let’s try to understand your browser.


-Introduction to browsers.
-Architecture of browser.
-Component wise explanation. It will cover topics like DOM tree, CSSOM, Render tree, Layout.
-Browser Engine and Browser UI.
-Rendering engine(this will be more about how browsers parse HTML/CSS codes, there will be code examples)
-JS Interpreter- Covers Javascript code parsing.
-Why New version of firefox is fast? What is new there.

Speaker bio

I am an open source contributor curretly working as software UI Engineer. I mostly write Javascript and Rust. Also, I am an Outreachy and RGSoC alumni. You can find more about me here:



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A meetup for women who write JavaScript (or who want to learn JavaScript). Come discuss your work, interests, and ideas! Look out this space for future meetups. Want to present some interesting idea or talk about informative web development concepts you learnt recently, submit your talk here https:… more