JSFoo Pune 2019

JSFoo is a JavaScript conference hosted by HasGeek.

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React Suspense, lazy and all about Hooks


Vivek Nayyar


Sophie Alpert and Dan Abramov introduced Hooks, which are a new proposal that adds the ability to access features such as state without writing a JavaScript class. Hooks promise to dramatically simplify the code and are currently available in a React 16.7 alpha release.

We also have a React.lazy API for code splitting and React.Suspense.

The talk would focus on explaining these concepts with some live coding examples and how it can help restructure our apps.


  • What was the problem with React classes?
  • What are hooks and what problem do they solve?
  • Easy code splitting with React.lazy api and Suspense
  • Suspended rendering with React.suspense
  • Writing your new react components with hooks (Keeping in mind that this still is an alpha release)



Speaker bio

Front-End Engineer with 4 year’s of experience building products for numerous domain’s like e-commerce, real estate, video-streaming and now Fin-Tech.