At WordCamp US 2017 I gave a talk on “Building with JavaScript in the Customizer”. I was happy to have the opportunity to share the technical details on the Customizer’s architecture and JavaScript API, which saw many improvements in 4.9, in addition to being able to share the Customizer’s new user-facing features during State of the Word.
The video has been posted on WordPress.tv:
Some photos taken during my talk:


Here are the slides:
I want to convert the talk into a series of blog posts to dig into more of the details and provide more examples, but I probably won’t get to that until 2018.
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