When comparing SlickEdit vs Microsoft's Visual Studio, the Slant community recommends Microsoft's Visual Studio for most people. In the question“What are the best JavaScript IDEs or editors?” Microsoft's Visual Studio is ranked 17th while SlickEdit is ranked 35th. The most important reason people chose Microsoft's Visual Studio is:
Javascript Intellisense allows Visual Studio to provide you with useful hints and auto-completion features while you code.
Specs
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Pros
Pro Extensive support for programming languages
SlickEdit supports over 50 programming languages on nine platforms.
Pro Built-in beautifier
The beautifier formats code as you type to help improve readability and consistency.
Pro Compiler tools
Pro Scriptable
Write custom macro commands, functions, dialogs and tool windows.
Pro Over 13 emulations
Choose from fifteen keyboard emulations, containing the key bindings and behaviors necessary to emulate other editors (e.g., CUA, Vim, GNU Emacs, etc.)
Pro Extensive configuration options
Pro Easy access to Visual Studio workspace
SlickEdit opens Visual Studio workspace with no conversions needed.
Pro Symbol analysis support
There are powerful symbol analysis features in SlickEdit, including context tagging and references.
Pro Integrated debuggers for multiple languages
Integrated debuggers for GNU C++, Java, Python, Perl, Ruby, and PHP.
Pro Multi-Platform
Windows, Linux, Mac OS X, AIX, HP-UX, Solaris SPARC, Solaris x86
Pro Portable mode
Possibility to set up a portable installation, to run on a USB drive for example.
Pro Easy access to XCode projects
SlickEdit opens XCode projects with no conversions needed.
Pro Third party tool integration
Pro Popular version control system
Pro Javascript Intellisense support
Javascript Intellisense allows Visual Studio to provide you with useful hints and auto-completion features while you code.
Pro Clean UI
Visual Studio has a clean, intuitive user interface.
Pro Cloud storage
Your Visual Studio online account gives you a place to store your code, backlog, and other project data with no servers to deploy, configure, or manage.
Pro Product backlog
In agile development teams, one really needs features such as product backlogs where you can assign features to teammates and track their progress on them. VS provides a web-based interface for you to track your team's complete progress on the project.
Pro Very good XML/XSD support
Syntax highlighting, Intellisense, and jump to declaration all work in XML documents.
Cons
Con No command line option
This is a visual only editor
Con It's kinda slow
If you have a very large project or tag database, it can hang the UI.
Con Tons of feature bloat
If you're doing simple web frontend dev, then VS is far too arcane and feature bloated for most of your work.
Con Not cross-platform
Visual Studio is only available on Windows, which causes platform lock-in.
Con Slow
Visual Studio can be quite laggy.
Con Takes up a lot of space
Visual Studio can use about 6 GBs which a lot of space to be taken from your computer.
Con Terribly slow development
Keep dreaming about features already provided by alternative products.
Con Non-native window frame
The IDE main window lacks a standard window frame (titlebar/borders). A custom solution is used where the custom titlebar contains numerous application-specific controls. This results in inconsistent UX and can also be problematic when you're using shell replacements or other various window-management software (such as bbLean).