SplineTech VBS Debugger is an award-winning VBS debug tool that enables you to easily edit and debug VBS files, debug VBS scripts and JS scripts. Native support for JavaScript, Jscript, VBScript and Windows Scripting Host (wscript).
Instant Source opens the additional toolbar at the bottom of IE window. It shows HTML of the current page, selection, or an item under the cursor. Also shows and lets you to save all external files on a page - Flash movies, style sheets (*.CSS), scripts (*.JS and *.VBS) and images. It has a built-in HTML viewer and editor with handy HTML, Javasript and VBScript syntax highlighting.