JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

Bonus Methods: Chrome, crawlers, and plugins: When you want to view the rendered HTML for a page, I would start with Google’s tools (as I covered above). But that doesn’t mean they are the ...