Which is the best tool to debug JavaScript/jQuery code?

The following are some of the best browser-based debugging tools for JavaScript −

FireBug

FireBug is a Firefox addon, widely used to inspect the code. Edit, debug and monitor CSS, HTML, and JavaScript live in any web page.

Credit− Firebug

DragonFly

DragonFly is a fully-featured suite of developer tools. It supports cross-device and remote debugging, which makes the work of developers easy.

Credit − DragonFly