From the course: JavaScript for Web Designers
Join today to access over 22,600 courses taught by industry experts or purchase this course individually.
JavaScript's power can be dangerous - JavaScript Tutorial
From the course: JavaScript for Web Designers
JavaScript's power can be dangerous
- [Narrator] JavaScript is a wonderful tool that can do a lot. In fact, these days it seems like there's little you can't do with JavaScript, especially in the realm of web design. That being said, it can be argued that all this power has been weaponized and it has implications for the rest of us. First are the security risks. JavaScript can be used to load data via AJAX or by manipulating tags that load data, like image tags, object tags, script tags, and so on. Attacks like this are called cross site script attacks since they inject JavaScript that's not part of the site into visitors' browsers. When website authors become careless and leave these vulnerabilities, the result can be anything from the website being defaced, site visitors having their personal information revealed or stolen and more. You can find out more about cross site scripting attacks in the course Programming Foundations: Web Security. Next are…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.