s.</p>
<p>Web browser developers saw the increased use of JS and started to optimize their browsers to run JS more quickly.
Web developers responded by using JS even more to increase the interactivity of their pages.
On modern websites, you might be running tens or even hundreds of thousands of lines of JS code.
The web, which started as a simple network of static pages, has evolved into a platform for rich <em>applications</em> of all kinds.</p>
<p>Lately, JS has also become a popular choice for non-browse