From scraping tables and auto-filling varieties to auto-saving movies and triggering keyboard macros — right here’s how I constructed a browser automation system solely in JavaScript, with out writing a single Chrome extension.
As a developer, most of my day occurs inside a browser — reviewing dashboards, filling out varieties, copying stuff from one web page to a different, downloading information, filtering stories, and generally even navigating horrible legacy instruments. Most of those actions had been repetitive. I used to be clicking the identical buttons 10 occasions a day, copy-pasting the identical fields into 5 completely different platforms.
I requested myself a easy query: What if I might flip the browser itself into an assistant — with out constructing a full-blown Chrome extension? That’s how this complete journey began. Spoiler: it labored approach higher than I anticipated.
The trick was to deal with the browser console like my command line. Since each webpage is already a JavaScript runtime, I didn’t want to put in something. I simply opened DevTools (F12), pasted my script, and watched the…
