... HTML, CSS, and JavaScript could not provide users with the same quality end-user experience that could be achieved with other tools such asAdobe Flash. Browsers—particularly with JavaScript were ... console, a JavaScript debugger, and aweb inspector. I strongly recommend using an editor that supports (or that can beextended to support) JavaScript, HTML, and CSS, such as vim or emacs.The JavaScript ... debugger and an HTML, CSS, and DOMinspector, along with many other features.Internet ExplorerOpen the Developer Tools by pressing F12. These include a JavaScript console thatallows you to view the...