WebKit, along with its JavaScript engines, is not a magical black box. We will show you the internal of various WebKit building blocks (10,000-foot overview) and how they work together. In particular, learn also the simple steps on how to experiment with WebKit with your own and leverage WebKit functionalities to find the performance problems, track the network issues, automate effective smoke tests, and implement per-pixel correctness tests. In addition, armed with a little extra knowledge about JavaScript engines, you will be ready to improve both the quality and performance of your JavaScript code.

Presented by Ariya Hidayat and Jarred Nicholls.

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