How use Eclipse as a Javascript IDE? - javascript

I downloaded the eclipse Javascript IDE from the official download page however, when i start the application it says "A Java Runtime Environment or Java development Kit must be available in order to run eclipse." I already have a java IDE copy of eclipse that runs fine so I don't understand why its asking for another JDK.
I just want to develop Javascript in Eclipse, does anyone have any idea how to? Are there special tools or plugins i'm meant to get to get it to work?

Maybe other copy of eclipse use -vm variable in eclipse.ini file, therefore, it work correctly.
Make sure you have JAVA_HOME in Environment Variables or add -vm configuration into eclipse.ini file.
For more information, see this link:
http://wiki.eclipse.org/FAQ_How_do_I_run_Eclipse%3F

For best experience doing JS/HTML/CSS I recommend you using Aptana as plugin. Here you can download it http://www.aptana.com/products/studio3/download Be sure to check Eclipse Plug-in Version option.

Check your version of the runtime that you installed. You can upgrade or downgrade (i.e. if JDK 7, then try JDK 8 and vice versa you can even try JDK 6) and see if it works.
On Ubuntu 14.10 open JDK 7 did not help me much but the older (open JDK java 6 runtime) and the newer open JDK Java 8 helped me out.

Related

How can I find JavaScript project option in Eclipse 2020-06?

I have downloaded Eclipse IDE for Web and JavaScript Developers package of 2020-06 version. But while creating project I am not seeing "JavaScript Project" option upon doing "File >> New". Can anyone please help me out?
As of that release, you no longer need a distinct JavaScript Project and its associated Include Path and other options, as JavaScript support is primarily coming from the Wild Web Developer project. WWD provides features to the Generic Editor, and doesn't place any requirements on the file to be in a particular folder in a special kind of project. Ideally, you just create a JavaScript file and start coding without needing to tell Eclipse anything about your project that you're not already setting up otherwise.
If you are unable to create a Static Web Project, I recommend:
double check your installed software - do you have all the sub-packages for Web Development?
take a look at the CodeMix project (also installable through the Eclipse market place) - its a commercial product but may have what you need in there.
The following steps worked:
To get back the JSDT JavaScript editor you have to uninstall Eclipse Wild Web Developer and install JavaScript Development Tools from the Eclipse IDE 2020-03 release.
Uninstall Eclipse Wild Web Developer: In Help > About Eclipse IDE: Installation Details, in the Installed Software tab select Eclipse Wild Web Developer and click Uninstall
Install JavaScript Development Tools from the 2020-03 release: In Help > Install New Software... work with https://download.eclipse.org/releases/2020-03 and choose JavaScript Development Tools to install

run javascript in Ruby on Windows

Does someone know how to run javascript (jscript would be fine also) in Ruby on a windows machine ? execjs, V8 and therubyracer don't seem to be available for windows..
I know how to run javascript outside Ruby.
According to their Github, ExecJS is in fact available for Microsoft Windows. It uses Microsoft Windows Script Host (JScript).

How to replace the rhino scripting jar used by Eclipse?

I want to use Eclipse Indigo to develop some JavaScript code. But the rhino jar used by Eclipse must be older than the most recent version and it makes problems. I want to replace it with the newest build.
Does anyone know how can I replace it?
To replace rhino used within your eclipse by JSDT, you would have to
turn your rhino.jar into an OSGi bundle, similar to the org.mozilla.javascript listed on http://download.eclipse.org/tools/orbit/downloads/drops/R20120119162704/
Find the feature that includes the javascript jar, maybe scanning the eclipse/features/*/feature.xml files
Create a feature patch for that feature including your new version of rhino, and export
Install it into you eclipse
But OSGi bundles can add valid bundle version ranges to their dependencies, so you wouldn't be able to tell if it could work without trying it, or finding all bundles that depend on rhino and checking their dependency.

Combine c++ and javascript development in Eclipse

I am new to Eclipse IDE, but now I need it to develop apps for webOS.
Help me please with the next questions:
I have downloaded the Eclipse IDE for JavaScript Web development. How can I find it's version information?
Can I use one instance of Eclipse IDE for JavaScript and C++ development at the same time? (if yes then please write the steps to extend JavaScript IDE to support C++ development) Or I should have two instances installed?
Some parts of documentation are written exactly for Eclipse Galileo C++ development. Are different versions of Eclipse IDE really different? Will I have problems porting settings from Galileo to Helios or Indigo?
Thanks.
Usually Versioninformation can be found under Help->About Eclipse
I do not know about this exact setup but I have Java/C++/PHP in one Eclipse install.
I installed the java version and then Help->Install New Software where I choose -all sites- as source and then searched for the compontent I wanted and installed it.
After installation restart eclipse to load the new plugins and now you should have a new Perspective for the language you installed.
If you can not find the perspective look under Window->Open Perspective->Other.
I do not know although I work with different version. Maybe some names (for example in menus) are changed but I really can't say (maybe a hint that they are not different? But Probably I just did not dive that deep into it).
The menu-paths I gave are under Indigo release.
I'm using Eclipse CDT with Aptana as a plugin which covers both bases for me.

How to create JavaScript projects in Netbeans 7?

I have the basic Java version of NetBeans installed, but I want to be able to create JavaScript/HTML projects with auto-completion and other IDE-supported functionality. I can't seem to find out what I need to install to do this. What do I need to do?
There is no dedicated Javascript project type in Netbeans 7. There are still various possibilities to work on HTML/JS files:
Add a JS/HTML file to any of the available projects, e.g. a PHP project.
Open the JS/HTML file directly without having a project by using
File/Open.
Define own project type. This is likely not so easy.
In any case you will be able to edit the file and utilize the IDE language features like autocompletion, etc. But you will not be able to run/debug the JS file. For debugging you will need to use the debuggers integrated with the browsers (Developer Tools in IE, Chrome; Firebug in Firefox, etc.)
You install the PHP plugin from the Plugin directory. This isn't explained anywhere that I can see, I just had to guess.
You can download the php bundle for netbeans here.You can also create xml,json,css,php pages with it.

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