For example, Amazon's Web page has 600KB of JavaScript code, ESPN has 900KB, and CNN has 1.5MB. "Web developers are really pushing the limits of the platform," Lund said.

Here's a look at JavaScript’s renaissance—from being just a web application enabler to evolving into a powerful AI platform.

Browsers are pushed to their performance limits in disciplines such as page loading, response speed, JavaScript or web assembly, and graphics performance.

That component is the Just In Time (JIT) compiler. It’s part of the V8 Javascript engine that has delivered peak performance to Google Chrome for more than a decade (and now Microsoft Edge, too).

If you tab through the PS5’s menu, you’ll come across a selection of web browser settings—including options to clear cookies, change Javascript preferences, and more.