The Third Age of JavaScript: An Update from Reactathon

The Reactathon conference was held outdoors in San Francisco this week. One of the highlights was a quick-fire presentation by Shawn Swyx Wang, continuing his thesis that we’re in the third age of JavaScript. He began blogging about this in 2020, the year he pinpoints as the start of “the third age.” This year, the third year of the third age, he provided an update at Reactathon.

Source: Shawn Swyx Wang

One of Wang’s points was that static side generation (SSG) is “basically dead” and there is now a “huge demand for server-side rendering.” He also notes a movement toward incremental rendering, along with edge routing. Not coincidentally, he pointed out that “Next.js is winning so hard” as a framework that supports these trends.

Looking further ahead, Wang predicts a “re-skilling” away from JavaScript by the end of the 2020s. While he didn’t specify what might take the place of JavaScript, he did remark that WebAssembly is “in its first age” currently.

He also commented that one “moonshot” project for this decade might be to reclaim “the open web,” which he says has taken a back seat over the past decade to native mobile apps.

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