Using JavaScript in HTML forms. Beyond using JavaScript to alter the lifecycle of form data, we can use it for a variety of other services like validating input and enabling more sophisticated ...

Always test your pages using Google’s own tools and third-party resources to view the rendered HTML to make sure all your content is showing up. Google has come a long way with rendering JavaScript.

Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.