Is there any plan to provide runtime debugging support for server-side JavaScript?
Most of the XQuery API has been ported to JavaScript, but the "dbg" module, which gives you an entry point into query execution, has not.
As MarkLogic 8 embeds the Google JavaScript engine, does this provide debugging hooks, which will allow third-party developers to write interactive debuggers?
Debugging, along with profiling and better logging, are on our roadmap. We’re looking at leveraging the debugger in the Chrome Developer Tools. Are there other IDEs or environments you’re using that we should be looking at as well? Feedback is much appreciated.
(As my profile indicates, I’m a Product Manager at MarkLogic.)
I looking for python/JavaScript IDE where I can put breakpoints. Currently I'm using coderunner but I can not put break points. I'll really appreciate you recommendations
I'm not an expert on Python, but I do work as a web developer and use JavaScript regularly. For that side of things, probably the easiest way is to use Chrome/Firefox debugger tools. You can do this manually by finding the line of code in the console and clicking (F12->Sources tab->Content scripts->desired script), or using the 'debugger' statement to toggle debug mode (F12->Console tab->type 'debugger' then return) and step through to what you need.
Additionally, if you're looking for an actual IDE, the only thing I've found online is the following. Here's the relevant part of that article. I've never used it (and probably never will), but there it is all the same.
Webstorm by IDEA supports setting breakpoints in the IDE. This requires launching the JavaScript debugger from IDEA. It must be configured in advance so it understands how to map JavaScript on the development server to JavaScript files in your environment. IDEA will automatically install a Chrome or Firefox plug-in to facilitate. This is pretty new technology and can be touchy.
I use PyCharm. It's a heavyweight IDE, so expect more features than you probably want if you're just getting started. It has a very good integrated debugger. You'll be able to break into both your Python and Javascript. Further, you'll see a pretty nice productivity jump with all the editing support like auto complete and intellisense. My advice is to stick with print() and logging as long as you can. For me getting a firm grasp of packages, python environments, virtualenv, command line tricks and git all before committing to the PyCharm IDE helped me adopt it with more confidence I was getting the value of all the integration.
I need to debug scripts running on a remote server which uses an embedded rhino engine, using intelliJ IDEA. Is there any procedure that I could follow to write a plugin to support this? I need an idea as how this could be done. It will be really helpful if you can either give me some idea or point me to some resources.
IDEA has xdebugger API to support debugging. You can use xslt debugger plugin sources as example.
I need something I can use to see variable values etc. during execution for debugging JS and HTML
You can debug Javascript using firebug.(firefox addon)
The Big 3 Browsers (IE, FF, and Chrome) all have tools & add-ins that will let you do rich debugging and drill into the HTML, DOM, and CSS. I use all 3 and find that each one has its strengths.
However, if you can afford it the best editor in my opinion is Visual Studio 2010.
I'm really enjoying using the Cloud9 Ide for doing work where I need integrated debugging and step-by-step code execution in my server side javascript. Cloud 9 is free and browser-based, it's worth checking out if you're serious about javascript development.
If I need that for client-side script, then I've found the debugging tools and REPL in chrome to be more than sufficient.
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What do you suggest for JS development IDE. Is there something similar to VisualStudio IDE, so I can run/debug my application in it?
At JetBrains we've just developed lightweight HTML/Javascript/CSS IDE WebStorm that includes very smart JavaScript Editor with DOM-based autocompletion and HTML5 API support.
It allows you to debug(breakpoints supported) and run your scripts directly from IDE.
A few options:
Visual Studio 2008 (including VWD Express, http://blog.berniesumption.com/software/how-to-debug-javascript-in-internet-explorer/)
Adobe Dreamweaver CS4
Notepad++ (or any other text editor), Firefox and Firebug
I think IntellJ's JavaScript support is excellent, just like everything else that they do.
Netbeans 6.x and Firefox+Firebug
In the past I used Aptana Standalone or as a Eclipse plugin. The Pro version has some nice addons like the embedded IE (to the always embedded Firefox) and debugging support for both browsers.
I found after hours of testing, that Suns Netbeans is the best PHP and Python IDE for Windows and Linux. I was surprised that also Javascript support can hold the candle to Aptana.
So Netbeans is my recommendation (not only for Javascript).
Give it a try, its free!
I've found Aptana Studio to be good.
I tend to recommend more and more Netbeans that has not been proposed yet (I am blind sometimes). Netbeans is developed by Sun and support not only Java but also a few other languages (PHP,Ruby,Python, Javascript).
I use it for a while now and I am very satisfied. It is fast, provides code completion and integrates easily major JS libraries (Prototype, YUI). It has also a debugger that you can tied to FF or IE.
Try it you won't be disappointed!
Here's a good list of IDEs you can use for writing JavaScript:
http://www.programmerfish.com/top-8-ide-integrated-development-environment-for-java-script-html5-ajax/
Nowadays I am using JetBrains' PHPStorm and I can easily say, this is the best editor I've ever tried. Comes with lots of features that I have not seen at other editors like,
find a word in a directory (grep equivalent)
extended and useful intellisense feature with multiple files and parent classes
internal GIT support
a tree view for application structure
an awesome version history support that works with GIT and your local history. This is very useful when you want to take a look at a GIT untracked file, you can see all history details of the file for weeks.
with a great addon named CSSXFire that works with Firebug and tracks the CSS changes and import them to editor and allows you easily reproduce the same changes that you've done in Firebug CSS Console. This is really awesome
another useful feature is, when you want to delete or rename a file, editor searches the file has been used in this directory and notifies you. This is called safe-refactor
intellisense for files, while you typing a css background-image, a src or an href attribute
Sometimes I deal with PHP so I prefer PHPStorm, so Front End Developers should prefer WebStrorm that is specialized for us.
I think, every FE Developer should try PHPStorm or WebStorm with Firefox and Firebug.
Komodo IDE (or the free Komodo Edit if you can live without an integrated debugger) are pretty nice.
I tried few IDE last week and NetBeans is my winner. It got silent upload option for file upload in background. And very good code completion, folding, etc.
Here is my experience with the applications based on Extjs in UI with Java as server side language. I am a big supporter of open source technologies/products.
I so far I have used Eclipse, Netbeans, Webstorm and notepad++ with some added plugins.
And I feel Netbeans is best in terms of Syntax highlighting and formating. It recognizes missing commas, global variables, duplicate keys for object literals in a very impressive way.
Almost similar things can be achieved by adding some pligins like Spket in eclipse too, but it asks for licence when you go for advance level of settings.
If you are not so much concern about an integrated environment with web server then Web storm is best in all the aspects, but the biggest drawback of it is, "Its paid". ( Even if it asks for 1000 Rs ).
Firebug and a good syntax highlighting text editor is about the best combo. It's not necessary to add in much else. With just this combo you get:
Ability to set breakpoints
Inspect objects
Traverse the DOM
Alter CSS rules on the fly
See network traffic/responses
Evaluate and substitute code on the fly in production
And there are tools which add on to Firebug:
YSlow - Determine "why" your page is slow
Fireunit - Run unit tests
One of the advantage of Javascript development is that it's flexible and you can get instantaneous feedback while developing. I see no reason to get in the way of that by adding an IDE which includes a "deployment" step.
Notepad++ comes with built-in javascript syntax highlighting and JSlint plugin is very handy. IMHO for debugging there is nothing better than Chrome developer tools or Firebug.
This page reviews the most advanced Javascript IDEs (in terms of refactoring and intellisense anyway) :
http://blue-walrus.com/2013/08/review-javascript-ides/
Eclipse and JSEclipse plugin and of course Firefox + Firebug the ultimate duo. You'll find this development setup satisfactory.
Aptana is a great IDE as it will provide intelli-sense for CSS, javascript, html, java, etc. The debugger gives you the choice to run in FF or IE and is a full featured debugger. The community edition allows you to run a server side javascript as well. A very solid and feature rich platform for free.