How JS Modules work: a Browser Perspective

Modules are a popular tool for JavaScript Developers. Recently, there have been a number of proposals touching on how Modules work, including Import Maps, Top level await, JSON modules, Module asserts, and many others. But how does the module loading system work, and how do these proposals augment it? What does it look like from the browsers perspective to load a module tree with an import map? We will explore these questions and more, giving you a behind the scenes look at module loading in JS.

Yulia Startsev
Yulia Startsev
26 min

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