Still, you might forget what you typed or lose a bit of text. Even without access to their code, you can make changes and even break some apps.įacebook's developers don't want you messing with their console. If you open the Facebook console, you'll see that its developers are very much opposed to that sort of snooping-and for good reason. They let you save a link to a webpage, categorize it, and add additional data (metadata) to help you find it quickly in the future and file it in a structure you can easily navigate. What many people don't know is that you can also save tiny snippets of code to these bookmarks, which are executed in the context of the web page you are on, including access to its structure and styling. In this article-which doesn't require you to make your own apps, or even to have particularly deep product knowledge-I'll explain how to use JavaScript to create useful browser hacks that enhance your web experiences and boost productivity. There's no lack of online resources for JavaScript, from courses that teach you the basics to tutorials on app creation.